Home / 1,024,520.76-1,532,975.04-643,658.40

Finding the Fourth Proportional to 1,024,520.76, 1,532,975.04 and 643,658.40

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Solution

The fourth proportional to 1,024,520.76, 1,532,975.04 and 643,658.40 is: 963,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,520.76 : 1,532,975.04 = 643,658.40 : x
  2. Step 2: Convert to fraction form
    1,024,520.76/1,532,975.04 = 643,658.40/x
  3. Step 3: Cross multiply
    1,024,520.76x = 1,532,975.04 × 643,658.40
  4. Step 4: Simplify right side
    1,024,520.76x = 986,712,261,486.34
  5. Step 5: Solve for x
    x = 986,712,261,486.34/1,024,520.76
  6. Step 6: Final answer
    x = 963,096.41

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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.