Home / 1,384,002.40-2,076,331.65-710,187.70

Finding the Fourth Proportional to 1,384,002.40, 2,076,331.65 and 710,187.70

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Solution

The fourth proportional to 1,384,002.40, 2,076,331.65 and 710,187.70 is: 1,065,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,002.40 : 2,076,331.65 = 710,187.70 : x
  2. Step 2: Convert to fraction form
    1,384,002.40/2,076,331.65 = 710,187.70/x
  3. Step 3: Cross multiply
    1,384,002.40x = 2,076,331.65 × 710,187.70
  4. Step 4: Simplify right side
    1,384,002.40x = 1,474,585,198,950.70
  5. Step 5: Solve for x
    x = 1,474,585,198,950.70/1,384,002.40
  6. Step 6: Final answer
    x = 1,065,449.89

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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.