Home / 1,127,810.88-1,692,377.28-453,787.20

Finding the Fourth Proportional to 1,127,810.88, 1,692,377.28 and 453,787.20

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Solution

The fourth proportional to 1,127,810.88, 1,692,377.28 and 453,787.20 is: 680,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,810.88 : 1,692,377.28 = 453,787.20 : x
  2. Step 2: Convert to fraction form
    1,127,810.88/1,692,377.28 = 453,787.20/x
  3. Step 3: Cross multiply
    1,127,810.88x = 1,692,377.28 × 453,787.20
  4. Step 4: Simplify right side
    1,127,810.88x = 767,979,147,234.82
  5. Step 5: Solve for x
    x = 767,979,147,234.82/1,127,810.88
  6. Step 6: Final answer
    x = 680,946.74

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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.