Home / 1,354,294.94-1,868,915.07-742,436.57

Finding the Fourth Proportional to 1,354,294.94, 1,868,915.07 and 742,436.57

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Solution

The fourth proportional to 1,354,294.94, 1,868,915.07 and 742,436.57 is: 1,024,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,294.94 : 1,868,915.07 = 742,436.57 : x
  2. Step 2: Convert to fraction form
    1,354,294.94/1,868,915.07 = 742,436.57/x
  3. Step 3: Cross multiply
    1,354,294.94x = 1,868,915.07 × 742,436.57
  4. Step 4: Simplify right side
    1,354,294.94x = 1,387,550,898,864.40
  5. Step 5: Solve for x
    x = 1,387,550,898,864.40/1,354,294.94
  6. Step 6: Final answer
    x = 1,024,555.92

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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.