Home / 1,552,490.76-2,142,461.43-864,170.16

Finding the Fourth Proportional to 1,552,490.76, 2,142,461.43 and 864,170.16

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Solution

The fourth proportional to 1,552,490.76, 2,142,461.43 and 864,170.16 is: 1,192,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,490.76 : 2,142,461.43 = 864,170.16 : x
  2. Step 2: Convert to fraction form
    1,552,490.76/2,142,461.43 = 864,170.16/x
  3. Step 3: Cross multiply
    1,552,490.76x = 2,142,461.43 × 864,170.16
  4. Step 4: Simplify right side
    1,552,490.76x = 1,851,451,236,756.93
  5. Step 5: Solve for x
    x = 1,851,451,236,756.93/1,552,490.76
  6. Step 6: Final answer
    x = 1,192,568.28

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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.