Home / 1,235,251.30-1,852,876.95-487,200.10

Finding the Fourth Proportional to 1,235,251.30, 1,852,876.95 and 487,200.10

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Solution

The fourth proportional to 1,235,251.30, 1,852,876.95 and 487,200.10 is: 730,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,251.30 : 1,852,876.95 = 487,200.10 : x
  2. Step 2: Convert to fraction form
    1,235,251.30/1,852,876.95 = 487,200.10/x
  3. Step 3: Cross multiply
    1,235,251.30x = 1,852,876.95 × 487,200.10
  4. Step 4: Simplify right side
    1,235,251.30x = 902,721,835,327.70
  5. Step 5: Solve for x
    x = 902,721,835,327.70/1,235,251.30
  6. Step 6: Final answer
    x = 730,800.15

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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.