Home / 1,085,165.66-1,497,420.71-626,428.02

Finding the Fourth Proportional to 1,085,165.66, 1,497,420.71 and 626,428.02

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Solution

The fourth proportional to 1,085,165.66, 1,497,420.71 and 626,428.02 is: 864,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,165.66 : 1,497,420.71 = 626,428.02 : x
  2. Step 2: Convert to fraction form
    1,085,165.66/1,497,420.71 = 626,428.02/x
  3. Step 3: Cross multiply
    1,085,165.66x = 1,497,420.71 × 626,428.02
  4. Step 4: Simplify right side
    1,085,165.66x = 938,026,290,472.29
  5. Step 5: Solve for x
    x = 938,026,290,472.29/1,085,165.66
  6. Step 6: Final answer
    x = 864,408.38

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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.