Home / 1,351,780.24-1,865,329.11-807,807.76

Finding the Fourth Proportional to 1,351,780.24, 1,865,329.11 and 807,807.76

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Solution

The fourth proportional to 1,351,780.24, 1,865,329.11 and 807,807.76 is: 1,114,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,780.24 : 1,865,329.11 = 807,807.76 : x
  2. Step 2: Convert to fraction form
    1,351,780.24/1,865,329.11 = 807,807.76/x
  3. Step 3: Cross multiply
    1,351,780.24x = 1,865,329.11 × 807,807.76
  4. Step 4: Simplify right side
    1,351,780.24x = 1,506,827,330,011.89
  5. Step 5: Solve for x
    x = 1,506,827,330,011.89/1,351,780.24
  6. Step 6: Final answer
    x = 1,114,698.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.