Home / 1,070,003.60-1,605,005.40-359,795.60

Finding the Fourth Proportional to 1,070,003.60, 1,605,005.40 and 359,795.60

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Solution

The fourth proportional to 1,070,003.60, 1,605,005.40 and 359,795.60 is: 539,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,003.60 : 1,605,005.40 = 359,795.60 : x
  2. Step 2: Convert to fraction form
    1,070,003.60/1,605,005.40 = 359,795.60/x
  3. Step 3: Cross multiply
    1,070,003.60x = 1,605,005.40 × 359,795.60
  4. Step 4: Simplify right side
    1,070,003.60x = 577,473,880,896.24
  5. Step 5: Solve for x
    x = 577,473,880,896.24/1,070,003.60
  6. Step 6: Final answer
    x = 539,693.40

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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.