Home / 1,315,416.40-1,973,124.60-473,995.60

Finding the Fourth Proportional to 1,315,416.40, 1,973,124.60 and 473,995.60

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Solution

The fourth proportional to 1,315,416.40, 1,973,124.60 and 473,995.60 is: 710,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,416.40 : 1,973,124.60 = 473,995.60 : x
  2. Step 2: Convert to fraction form
    1,315,416.40/1,973,124.60 = 473,995.60/x
  3. Step 3: Cross multiply
    1,315,416.40x = 1,973,124.60 × 473,995.60
  4. Step 4: Simplify right side
    1,315,416.40x = 935,252,378,651.76
  5. Step 5: Solve for x
    x = 935,252,378,651.76/1,315,416.40
  6. Step 6: Final answer
    x = 710,993.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.