Home / 1,024,521.76-1,532,976.54-643,659.40

Finding the Fourth Proportional to 1,024,521.76, 1,532,976.54 and 643,659.40

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Solution

The fourth proportional to 1,024,521.76, 1,532,976.54 and 643,659.40 is: 963,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,521.76 : 1,532,976.54 = 643,659.40 : x
  2. Step 2: Convert to fraction form
    1,024,521.76/1,532,976.54 = 643,659.40/x
  3. Step 3: Cross multiply
    1,024,521.76x = 1,532,976.54 × 643,659.40
  4. Step 4: Simplify right side
    1,024,521.76x = 986,714,759,950.48
  5. Step 5: Solve for x
    x = 986,714,759,950.48/1,024,521.76
  6. Step 6: Final answer
    x = 963,097.90

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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.