Home / 1,235,265.30-1,849,787.55-812,250.90

Finding the Fourth Proportional to 1,235,265.30, 1,849,787.55 and 812,250.90

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Solution

The fourth proportional to 1,235,265.30, 1,849,787.55 and 812,250.90 is: 1,216,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,265.30 : 1,849,787.55 = 812,250.90 : x
  2. Step 2: Convert to fraction form
    1,235,265.30/1,849,787.55 = 812,250.90/x
  3. Step 3: Cross multiply
    1,235,265.30x = 1,849,787.55 × 812,250.90
  4. Step 4: Simplify right side
    1,235,265.30x = 1,502,491,602,296.30
  5. Step 5: Solve for x
    x = 1,502,491,602,296.30/1,235,265.30
  6. Step 6: Final answer
    x = 1,216,331.10

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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.