Home / 1,154,687.32-1,593,502.50-645,391

Finding the Fourth Proportional to 1,154,687.32, 1,593,502.50 and 645,391

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Solution

The fourth proportional to 1,154,687.32, 1,593,502.50 and 645,391 is: 890,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,687.32 : 1,593,502.50 = 645,391 : x
  2. Step 2: Convert to fraction form
    1,154,687.32/1,593,502.50 = 645,391/x
  3. Step 3: Cross multiply
    1,154,687.32x = 1,593,502.50 × 645,391
  4. Step 4: Simplify right side
    1,154,687.32x = 1,028,432,171,977.50
  5. Step 5: Solve for x
    x = 1,028,432,171,977.50/1,154,687.32
  6. Step 6: Final answer
    x = 890,658.58

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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.