Home / 1,799,591.20-2,700,423.60-678,464.80

Finding the Fourth Proportional to 1,799,591.20, 2,700,423.60 and 678,464.80

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Solution

The fourth proportional to 1,799,591.20, 2,700,423.60 and 678,464.80 is: 1,018,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,591.20 : 2,700,423.60 = 678,464.80 : x
  2. Step 2: Convert to fraction form
    1,799,591.20/2,700,423.60 = 678,464.80/x
  3. Step 3: Cross multiply
    1,799,591.20x = 2,700,423.60 × 678,464.80
  4. Step 4: Simplify right side
    1,799,591.20x = 1,832,142,357,689.28
  5. Step 5: Solve for x
    x = 1,832,142,357,689.28/1,799,591.20
  6. Step 6: Final answer
    x = 1,018,088.08

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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.