Home / 1,574,475.40-2,172,706.15-876,792.20

Finding the Fourth Proportional to 1,574,475.40, 2,172,706.15 and 876,792.20

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Solution

The fourth proportional to 1,574,475.40, 2,172,706.15 and 876,792.20 is: 1,209,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,475.40 : 2,172,706.15 = 876,792.20 : x
  2. Step 2: Convert to fraction form
    1,574,475.40/2,172,706.15 = 876,792.20/x
  3. Step 3: Cross multiply
    1,574,475.40x = 2,172,706.15 × 876,792.20
  4. Step 4: Simplify right side
    1,574,475.40x = 1,905,011,792,156.52
  5. Step 5: Solve for x
    x = 1,905,011,792,156.52/1,574,475.40
  6. Step 6: Final answer
    x = 1,209,934.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.