Home / 1,128,562.48-1,692,869.70-275,641.21

Finding the Fourth Proportional to 1,128,562.48, 1,692,869.70 and 275,641.21

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Solution

The fourth proportional to 1,128,562.48, 1,692,869.70 and 275,641.21 is: 413,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,562.48 : 1,692,869.70 = 275,641.21 : x
  2. Step 2: Convert to fraction form
    1,128,562.48/1,692,869.70 = 275,641.21/x
  3. Step 3: Cross multiply
    1,128,562.48x = 1,692,869.70 × 275,641.21
  4. Step 4: Simplify right side
    1,128,562.48x = 466,624,652,480.34
  5. Step 5: Solve for x
    x = 466,624,652,480.34/1,128,562.48
  6. Step 6: Final answer
    x = 413,468.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.