Home / 1,065,781.90-1,597,312.05-433,981.90

Finding the Fourth Proportional to 1,065,781.90, 1,597,312.05 and 433,981.90

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Solution

The fourth proportional to 1,065,781.90, 1,597,312.05 and 433,981.90 is: 650,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,781.90 : 1,597,312.05 = 433,981.90 : x
  2. Step 2: Convert to fraction form
    1,065,781.90/1,597,312.05 = 433,981.90/x
  3. Step 3: Cross multiply
    1,065,781.90x = 1,597,312.05 × 433,981.90
  4. Step 4: Simplify right side
    1,065,781.90x = 693,204,518,351.90
  5. Step 5: Solve for x
    x = 693,204,518,351.90/1,065,781.90
  6. Step 6: Final answer
    x = 650,418.74

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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.