Home / 1,363,387.20-2,045,080.80-403,877.40

Finding the Fourth Proportional to 1,363,387.20, 2,045,080.80 and 403,877.40

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Solution

The fourth proportional to 1,363,387.20, 2,045,080.80 and 403,877.40 is: 605,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,387.20 : 2,045,080.80 = 403,877.40 : x
  2. Step 2: Convert to fraction form
    1,363,387.20/2,045,080.80 = 403,877.40/x
  3. Step 3: Cross multiply
    1,363,387.20x = 2,045,080.80 × 403,877.40
  4. Step 4: Simplify right side
    1,363,387.20x = 825,961,916,293.92
  5. Step 5: Solve for x
    x = 825,961,916,293.92/1,363,387.20
  6. Step 6: Final answer
    x = 605,816.10

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1.5x scale

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.