Home / 1,509,534.56-2,264,324.88-387,578.72

Finding the Fourth Proportional to 1,509,534.56, 2,264,324.88 and 387,578.72

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Solution

The fourth proportional to 1,509,534.56, 2,264,324.88 and 387,578.72 is: 581,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,534.56 : 2,264,324.88 = 387,578.72 : x
  2. Step 2: Convert to fraction form
    1,509,534.56/2,264,324.88 = 387,578.72/x
  3. Step 3: Cross multiply
    1,509,534.56x = 2,264,324.88 × 387,578.72
  4. Step 4: Simplify right side
    1,509,534.56x = 877,604,138,654.55
  5. Step 5: Solve for x
    x = 877,604,138,654.55/1,509,534.56
  6. Step 6: Final answer
    x = 581,374.00

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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.