Home / 1,552,398.71-2,142,293.85-864,059.60

Finding the Fourth Proportional to 1,552,398.71, 2,142,293.85 and 864,059.60

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Solution

The fourth proportional to 1,552,398.71, 2,142,293.85 and 864,059.60 is: 1,192,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,398.71 : 2,142,293.85 = 864,059.60 : x
  2. Step 2: Convert to fraction form
    1,552,398.71/2,142,293.85 = 864,059.60/x
  3. Step 3: Cross multiply
    1,552,398.71x = 2,142,293.85 × 864,059.60
  4. Step 4: Simplify right side
    1,552,398.71x = 1,851,069,563,917.87
  5. Step 5: Solve for x
    x = 1,851,069,563,917.87/1,552,398.71
  6. Step 6: Final answer
    x = 1,192,393.13

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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.