Home / 1,555,039.80-2,332,402.02-417,654.25

Finding the Fourth Proportional to 1,555,039.80, 2,332,402.02 and 417,654.25

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Solution

The fourth proportional to 1,555,039.80, 2,332,402.02 and 417,654.25 is: 626,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,039.80 : 2,332,402.02 = 417,654.25 : x
  2. Step 2: Convert to fraction form
    1,555,039.80/2,332,402.02 = 417,654.25/x
  3. Step 3: Cross multiply
    1,555,039.80x = 2,332,402.02 × 417,654.25
  4. Step 4: Simplify right side
    1,555,039.80x = 974,137,610,530.58
  5. Step 5: Solve for x
    x = 974,137,610,530.58/1,555,039.80
  6. Step 6: Final answer
    x = 626,439.02

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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.