Home / 1,087,488.32-1,631,248.88-377,538.91

Finding the Fourth Proportional to 1,087,488.32, 1,631,248.88 and 377,538.91

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Solution

The fourth proportional to 1,087,488.32, 1,631,248.88 and 377,538.91 is: 566,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,488.32 : 1,631,248.88 = 377,538.91 : x
  2. Step 2: Convert to fraction form
    1,087,488.32/1,631,248.88 = 377,538.91/x
  3. Step 3: Cross multiply
    1,087,488.32x = 1,631,248.88 × 377,538.91
  4. Step 4: Simplify right side
    1,087,488.32x = 615,859,918,128.10
  5. Step 5: Solve for x
    x = 615,859,918,128.10/1,087,488.32
  6. Step 6: Final answer
    x = 566,314.06

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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.