Home / 1,013,967.20-1,399,399.80-578,491.76

Finding the Fourth Proportional to 1,013,967.20, 1,399,399.80 and 578,491.76

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Solution

The fourth proportional to 1,013,967.20, 1,399,399.80 and 578,491.76 is: 798,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,967.20 : 1,399,399.80 = 578,491.76 : x
  2. Step 2: Convert to fraction form
    1,013,967.20/1,399,399.80 = 578,491.76/x
  3. Step 3: Cross multiply
    1,013,967.20x = 1,399,399.80 × 578,491.76
  4. Step 4: Simplify right side
    1,013,967.20x = 809,541,253,245.65
  5. Step 5: Solve for x
    x = 809,541,253,245.65/1,013,967.20
  6. Step 6: Final answer
    x = 798,389.98

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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.