Home / 1,557,459.40-2,149,753.64-913,019.08

Finding the Fourth Proportional to 1,557,459.40, 2,149,753.64 and 913,019.08

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Solution

The fourth proportional to 1,557,459.40, 2,149,753.64 and 913,019.08 is: 1,260,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,459.40 : 2,149,753.64 = 913,019.08 : x
  2. Step 2: Convert to fraction form
    1,557,459.40/2,149,753.64 = 913,019.08/x
  3. Step 3: Cross multiply
    1,557,459.40x = 2,149,753.64 × 913,019.08
  4. Step 4: Simplify right side
    1,557,459.40x = 1,962,766,090,619.45
  5. Step 5: Solve for x
    x = 1,962,766,090,619.45/1,557,459.40
  6. Step 6: Final answer
    x = 1,260,235.80

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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.