Home / 1,154,356.80-1,593,008.64-645,059.04

Finding the Fourth Proportional to 1,154,356.80, 1,593,008.64 and 645,059.04

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Solution

The fourth proportional to 1,154,356.80, 1,593,008.64 and 645,059.04 is: 890,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,356.80 : 1,593,008.64 = 645,059.04 : x
  2. Step 2: Convert to fraction form
    1,154,356.80/1,593,008.64 = 645,059.04/x
  3. Step 3: Cross multiply
    1,154,356.80x = 1,593,008.64 × 645,059.04
  4. Step 4: Simplify right side
    1,154,356.80x = 1,027,584,624,030.11
  5. Step 5: Solve for x
    x = 1,027,584,624,030.11/1,154,356.80
  6. Step 6: Final answer
    x = 890,179.38

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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.