Home / 1,034,501.40-1,428,508.98-763,039.80

Finding the Fourth Proportional to 1,034,501.40, 1,428,508.98 and 763,039.80

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Solution

The fourth proportional to 1,034,501.40, 1,428,508.98 and 763,039.80 is: 1,053,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,501.40 : 1,428,508.98 = 763,039.80 : x
  2. Step 2: Convert to fraction form
    1,034,501.40/1,428,508.98 = 763,039.80/x
  3. Step 3: Cross multiply
    1,034,501.40x = 1,428,508.98 × 763,039.80
  4. Step 4: Simplify right side
    1,034,501.40x = 1,090,009,206,397.40
  5. Step 5: Solve for x
    x = 1,090,009,206,397.40/1,034,501.40
  6. Step 6: Final answer
    x = 1,053,656.58

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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.