Home / 1,328,916.32-1,833,809.40-748,109.43

Finding the Fourth Proportional to 1,328,916.32, 1,833,809.40 and 748,109.43

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Solution

The fourth proportional to 1,328,916.32, 1,833,809.40 and 748,109.43 is: 1,032,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,916.32 : 1,833,809.40 = 748,109.43 : x
  2. Step 2: Convert to fraction form
    1,328,916.32/1,833,809.40 = 748,109.43/x
  3. Step 3: Cross multiply
    1,328,916.32x = 1,833,809.40 × 748,109.43
  4. Step 4: Simplify right side
    1,328,916.32x = 1,371,890,104,962.64
  5. Step 5: Solve for x
    x = 1,371,890,104,962.64/1,328,916.32
  6. Step 6: Final answer
    x = 1,032,337.46

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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.