Home / 1,017,161.31-1,526,237.70-418,302.39

Finding the Fourth Proportional to 1,017,161.31, 1,526,237.70 and 418,302.39

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Solution

The fourth proportional to 1,017,161.31, 1,526,237.70 and 418,302.39 is: 627,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,161.31 : 1,526,237.70 = 418,302.39 : x
  2. Step 2: Convert to fraction form
    1,017,161.31/1,526,237.70 = 418,302.39/x
  3. Step 3: Cross multiply
    1,017,161.31x = 1,526,237.70 × 418,302.39
  4. Step 4: Simplify right side
    1,017,161.31x = 638,428,877,618.10
  5. Step 5: Solve for x
    x = 638,428,877,618.10/1,017,161.31
  6. Step 6: Final answer
    x = 627,657.45

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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.