Home / 1,128,769.67-1,557,702.15-676,060.67

Finding the Fourth Proportional to 1,128,769.67, 1,557,702.15 and 676,060.67

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Solution

The fourth proportional to 1,128,769.67, 1,557,702.15 and 676,060.67 is: 932,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,769.67 : 1,557,702.15 = 676,060.67 : x
  2. Step 2: Convert to fraction form
    1,128,769.67/1,557,702.15 = 676,060.67/x
  3. Step 3: Cross multiply
    1,128,769.67x = 1,557,702.15 × 676,060.67
  4. Step 4: Simplify right side
    1,128,769.67x = 1,053,101,155,809.14
  5. Step 5: Solve for x
    x = 1,053,101,155,809.14/1,128,769.67
  6. Step 6: Final answer
    x = 932,963.72

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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.