Home / 1,425,672.64-1,967,428.20-781,117.24

Finding the Fourth Proportional to 1,425,672.64, 1,967,428.20 and 781,117.24

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Solution

The fourth proportional to 1,425,672.64, 1,967,428.20 and 781,117.24 is: 1,077,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,672.64 : 1,967,428.20 = 781,117.24 : x
  2. Step 2: Convert to fraction form
    1,425,672.64/1,967,428.20 = 781,117.24/x
  3. Step 3: Cross multiply
    1,425,672.64x = 1,967,428.20 × 781,117.24
  4. Step 4: Simplify right side
    1,425,672.64x = 1,536,792,085,482.17
  5. Step 5: Solve for x
    x = 1,536,792,085,482.17/1,425,672.64
  6. Step 6: Final answer
    x = 1,077,941.77

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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.