Home / 1,010,787.71-1,394,915.76-551,931.36

Finding the Fourth Proportional to 1,010,787.71, 1,394,915.76 and 551,931.36

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Solution

The fourth proportional to 1,010,787.71, 1,394,915.76 and 551,931.36 is: 761,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,787.71 : 1,394,915.76 = 551,931.36 : x
  2. Step 2: Convert to fraction form
    1,010,787.71/1,394,915.76 = 551,931.36/x
  3. Step 3: Cross multiply
    1,010,787.71x = 1,394,915.76 × 551,931.36
  4. Step 4: Simplify right side
    1,010,787.71x = 769,897,749,642.19
  5. Step 5: Solve for x
    x = 769,897,749,642.19/1,010,787.71
  6. Step 6: Final answer
    x = 761,680.96

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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.