Home / 1,070,191.96-1,605,317.15-312,015.10

Finding the Fourth Proportional to 1,070,191.96, 1,605,317.15 and 312,015.10

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Solution

The fourth proportional to 1,070,191.96, 1,605,317.15 and 312,015.10 is: 468,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,191.96 : 1,605,317.15 = 312,015.10 : x
  2. Step 2: Convert to fraction form
    1,070,191.96/1,605,317.15 = 312,015.10/x
  3. Step 3: Cross multiply
    1,070,191.96x = 1,605,317.15 × 312,015.10
  4. Step 4: Simplify right side
    1,070,191.96x = 500,883,187,855.71
  5. Step 5: Solve for x
    x = 500,883,187,855.71/1,070,191.96
  6. Step 6: Final answer
    x = 468,031.16

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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.