Home / 1,545,520.80-2,316,645-519,874.71

Finding the Fourth Proportional to 1,545,520.80, 2,316,645 and 519,874.71

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Solution

The fourth proportional to 1,545,520.80, 2,316,645 and 519,874.71 is: 779,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,520.80 : 2,316,645 = 519,874.71 : x
  2. Step 2: Convert to fraction form
    1,545,520.80/2,316,645 = 519,874.71/x
  3. Step 3: Cross multiply
    1,545,520.80x = 2,316,645 × 519,874.71
  4. Step 4: Simplify right side
    1,545,520.80x = 1,204,365,147,547.95
  5. Step 5: Solve for x
    x = 1,204,365,147,547.95/1,545,520.80
  6. Step 6: Final answer
    x = 779,261.69

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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.