Home / 1,235,248.60-1,852,412.10-487,139.80

Finding the Fourth Proportional to 1,235,248.60, 1,852,412.10 and 487,139.80

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Solution

The fourth proportional to 1,235,248.60, 1,852,412.10 and 487,139.80 is: 730,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,248.60 : 1,852,412.10 = 487,139.80 : x
  2. Step 2: Convert to fraction form
    1,235,248.60/1,852,412.10 = 487,139.80/x
  3. Step 3: Cross multiply
    1,235,248.60x = 1,852,412.10 × 487,139.80
  4. Step 4: Simplify right side
    1,235,248.60x = 902,383,659,911.58
  5. Step 5: Solve for x
    x = 902,383,659,911.58/1,235,248.60
  6. Step 6: Final answer
    x = 730,527.98

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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.