Home / 1,258,594.20-1,887,891.30-417,145.95

Finding the Fourth Proportional to 1,258,594.20, 1,887,891.30 and 417,145.95

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Solution

The fourth proportional to 1,258,594.20, 1,887,891.30 and 417,145.95 is: 625,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,594.20 : 1,887,891.30 = 417,145.95 : x
  2. Step 2: Convert to fraction form
    1,258,594.20/1,887,891.30 = 417,145.95/x
  3. Step 3: Cross multiply
    1,258,594.20x = 1,887,891.30 × 417,145.95
  4. Step 4: Simplify right side
    1,258,594.20x = 787,526,209,835.24
  5. Step 5: Solve for x
    x = 787,526,209,835.24/1,258,594.20
  6. Step 6: Final answer
    x = 625,718.93

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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.