Home / 1,008,248.48-1,391,480.95-753,156.80

Finding the Fourth Proportional to 1,008,248.48, 1,391,480.95 and 753,156.80

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Solution

The fourth proportional to 1,008,248.48, 1,391,480.95 and 753,156.80 is: 1,039,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,248.48 : 1,391,480.95 = 753,156.80 : x
  2. Step 2: Convert to fraction form
    1,008,248.48/1,391,480.95 = 753,156.80/x
  3. Step 3: Cross multiply
    1,008,248.48x = 1,391,480.95 × 753,156.80
  4. Step 4: Simplify right side
    1,008,248.48x = 1,048,003,330,722.66
  5. Step 5: Solve for x
    x = 1,048,003,330,722.66/1,008,248.48
  6. Step 6: Final answer
    x = 1,039,429.62

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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.