Home / 1,053,725.16-1,580,587.80-255,006.78

Finding the Fourth Proportional to 1,053,725.16, 1,580,587.80 and 255,006.78

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Solution

The fourth proportional to 1,053,725.16, 1,580,587.80 and 255,006.78 is: 382,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,725.16 : 1,580,587.80 = 255,006.78 : x
  2. Step 2: Convert to fraction form
    1,053,725.16/1,580,587.80 = 255,006.78/x
  3. Step 3: Cross multiply
    1,053,725.16x = 1,580,587.80 × 255,006.78
  4. Step 4: Simplify right side
    1,053,725.16x = 403,060,605,385.28
  5. Step 5: Solve for x
    x = 403,060,605,385.28/1,053,725.16
  6. Step 6: Final answer
    x = 382,510.18

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Double scale
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Similar ratio
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1.5x scale

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.