Home / 1,478,987.13-2,218,726.07-519,193.93

Finding the Fourth Proportional to 1,478,987.13, 2,218,726.07 and 519,193.93

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Solution

The fourth proportional to 1,478,987.13, 2,218,726.07 and 519,193.93 is: 778,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,987.13 : 2,218,726.07 = 519,193.93 : x
  2. Step 2: Convert to fraction form
    1,478,987.13/2,218,726.07 = 519,193.93/x
  3. Step 3: Cross multiply
    1,478,987.13x = 2,218,726.07 × 519,193.93
  4. Step 4: Simplify right side
    1,478,987.13x = 1,151,949,103,627.92
  5. Step 5: Solve for x
    x = 1,151,949,103,627.92/1,478,987.13
  6. Step 6: Final answer
    x = 778,877.03

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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.