Home / 1,332,479.57-1,998,859.50-433,991.40

Finding the Fourth Proportional to 1,332,479.57, 1,998,859.50 and 433,991.40

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Solution

The fourth proportional to 1,332,479.57, 1,998,859.50 and 433,991.40 is: 651,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,479.57 : 1,998,859.50 = 433,991.40 : x
  2. Step 2: Convert to fraction form
    1,332,479.57/1,998,859.50 = 433,991.40/x
  3. Step 3: Cross multiply
    1,332,479.57x = 1,998,859.50 × 433,991.40
  4. Step 4: Simplify right side
    1,332,479.57x = 867,487,823,685.11
  5. Step 5: Solve for x
    x = 867,487,823,685.11/1,332,479.57
  6. Step 6: Final answer
    x = 651,032.74

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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.