Home / 1,545,264.40-2,317,896.60-789,437.20

Finding the Fourth Proportional to 1,545,264.40, 2,317,896.60 and 789,437.20

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Solution

The fourth proportional to 1,545,264.40, 2,317,896.60 and 789,437.20 is: 1,184,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,264.40 : 2,317,896.60 = 789,437.20 : x
  2. Step 2: Convert to fraction form
    1,545,264.40/2,317,896.60 = 789,437.20/x
  3. Step 3: Cross multiply
    1,545,264.40x = 2,317,896.60 × 789,437.20
  4. Step 4: Simplify right side
    1,545,264.40x = 1,829,833,801,793.52
  5. Step 5: Solve for x
    x = 1,829,833,801,793.52/1,545,264.40
  6. Step 6: Final answer
    x = 1,184,155.80

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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.