Home / 1,023,505.78-1,532,735.66-643,483.74

Finding the Fourth Proportional to 1,023,505.78, 1,532,735.66 and 643,483.74

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Solution

The fourth proportional to 1,023,505.78, 1,532,735.66 and 643,483.74 is: 963,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,505.78 : 1,532,735.66 = 643,483.74 : x
  2. Step 2: Convert to fraction form
    1,023,505.78/1,532,735.66 = 643,483.74/x
  3. Step 3: Cross multiply
    1,023,505.78x = 1,532,735.66 × 643,483.74
  4. Step 4: Simplify right side
    1,023,505.78x = 986,290,474,928.17
  5. Step 5: Solve for x
    x = 986,290,474,928.17/1,023,505.78
  6. Step 6: Final answer
    x = 963,639.38

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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.