Home / 1,154,521.46-1,593,288.84-645,223.82

Finding the Fourth Proportional to 1,154,521.46, 1,593,288.84 and 645,223.82

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Solution

The fourth proportional to 1,154,521.46, 1,593,288.84 and 645,223.82 is: 890,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,521.46 : 1,593,288.84 = 645,223.82 : x
  2. Step 2: Convert to fraction form
    1,154,521.46/1,593,288.84 = 645,223.82/x
  3. Step 3: Cross multiply
    1,154,521.46x = 1,593,288.84 × 645,223.82
  4. Step 4: Simplify right side
    1,154,521.46x = 1,028,027,911,708.17
  5. Step 5: Solve for x
    x = 1,028,027,911,708.17/1,154,521.46
  6. Step 6: Final answer
    x = 890,436.38

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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.