Home / 1,259,508.30-1,888,052.85-417,626.70

Finding the Fourth Proportional to 1,259,508.30, 1,888,052.85 and 417,626.70

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Solution

The fourth proportional to 1,259,508.30, 1,888,052.85 and 417,626.70 is: 626,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,508.30 : 1,888,052.85 = 417,626.70 : x
  2. Step 2: Convert to fraction form
    1,259,508.30/1,888,052.85 = 417,626.70/x
  3. Step 3: Cross multiply
    1,259,508.30x = 1,888,052.85 × 417,626.70
  4. Step 4: Simplify right side
    1,259,508.30x = 788,501,281,171.10
  5. Step 5: Solve for x
    x = 788,501,281,171.10/1,259,508.30
  6. Step 6: Final answer
    x = 626,038.97

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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.