Home / 1,203,725.20-1,805,587.80-538,877.20

Finding the Fourth Proportional to 1,203,725.20, 1,805,587.80 and 538,877.20

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Solution

The fourth proportional to 1,203,725.20, 1,805,587.80 and 538,877.20 is: 808,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,725.20 : 1,805,587.80 = 538,877.20 : x
  2. Step 2: Convert to fraction form
    1,203,725.20/1,805,587.80 = 538,877.20/x
  3. Step 3: Cross multiply
    1,203,725.20x = 1,805,587.80 × 538,877.20
  4. Step 4: Simplify right side
    1,203,725.20x = 972,990,098,018.16
  5. Step 5: Solve for x
    x = 972,990,098,018.16/1,203,725.20
  6. Step 6: Final answer
    x = 808,315.80

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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.