Home / 1,035,085.50-1,428,317.81-763,299.72

Finding the Fourth Proportional to 1,035,085.50, 1,428,317.81 and 763,299.72

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Solution

The fourth proportional to 1,035,085.50, 1,428,317.81 and 763,299.72 is: 1,053,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,085.50 : 1,428,317.81 = 763,299.72 : x
  2. Step 2: Convert to fraction form
    1,035,085.50/1,428,317.81 = 763,299.72/x
  3. Step 3: Cross multiply
    1,035,085.50x = 1,428,317.81 × 763,299.72
  4. Step 4: Simplify right side
    1,035,085.50x = 1,090,234,586,352.26
  5. Step 5: Solve for x
    x = 1,090,234,586,352.26/1,035,085.50
  6. Step 6: Final answer
    x = 1,053,279.74

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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.