Home / 1,216,423.80-1,678,597.02-672,527.88

Finding the Fourth Proportional to 1,216,423.80, 1,678,597.02 and 672,527.88

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Solution

The fourth proportional to 1,216,423.80, 1,678,597.02 and 672,527.88 is: 928,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,423.80 : 1,678,597.02 = 672,527.88 : x
  2. Step 2: Convert to fraction form
    1,216,423.80/1,678,597.02 = 672,527.88/x
  3. Step 3: Cross multiply
    1,216,423.80x = 1,678,597.02 × 672,527.88
  4. Step 4: Simplify right side
    1,216,423.80x = 1,128,903,295,234.92
  5. Step 5: Solve for x
    x = 1,128,903,295,234.92/1,216,423.80
  6. Step 6: Final answer
    x = 928,050.98

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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.