Home / 917,150.10-1,375,725.15-618,551.70

Finding the Fourth Proportional to 917,150.10, 1,375,725.15 and 618,551.70

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Solution

The fourth proportional to 917,150.10, 1,375,725.15 and 618,551.70 is: 927,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,150.10 : 1,375,725.15 = 618,551.70 : x
  2. Step 2: Convert to fraction form
    917,150.10/1,375,725.15 = 618,551.70/x
  3. Step 3: Cross multiply
    917,150.10x = 1,375,725.15 × 618,551.70
  4. Step 4: Simplify right side
    917,150.10x = 850,957,130,265.26
  5. Step 5: Solve for x
    x = 850,957,130,265.26/917,150.10
  6. Step 6: Final answer
    x = 927,827.55

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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.