Home / 1,314,538.30-1,970,446.65-714,231.10

Finding the Fourth Proportional to 1,314,538.30, 1,970,446.65 and 714,231.10

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Solution

The fourth proportional to 1,314,538.30, 1,970,446.65 and 714,231.10 is: 1,070,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,538.30 : 1,970,446.65 = 714,231.10 : x
  2. Step 2: Convert to fraction form
    1,314,538.30/1,970,446.65 = 714,231.10/x
  3. Step 3: Cross multiply
    1,314,538.30x = 1,970,446.65 × 714,231.10
  4. Step 4: Simplify right side
    1,314,538.30x = 1,407,354,278,320.82
  5. Step 5: Solve for x
    x = 1,407,354,278,320.82/1,314,538.30
  6. Step 6: Final answer
    x = 1,070,607.28

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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.