Home / 1,520,182.40-2,280,142.40-455,463.36

Finding the Fourth Proportional to 1,520,182.40, 2,280,142.40 and 455,463.36

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Solution

The fourth proportional to 1,520,182.40, 2,280,142.40 and 455,463.36 is: 683,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,182.40 : 2,280,142.40 = 455,463.36 : x
  2. Step 2: Convert to fraction form
    1,520,182.40/2,280,142.40 = 455,463.36/x
  3. Step 3: Cross multiply
    1,520,182.40x = 2,280,142.40 × 455,463.36
  4. Step 4: Simplify right side
    1,520,182.40x = 1,038,521,318,782.46
  5. Step 5: Solve for x
    x = 1,038,521,318,782.46/1,520,182.40
  6. Step 6: Final answer
    x = 683,155.73

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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.