Home / 1,152,522.13-1,728,787.35-353,803.72

Finding the Fourth Proportional to 1,152,522.13, 1,728,787.35 and 353,803.72

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Solution

The fourth proportional to 1,152,522.13, 1,728,787.35 and 353,803.72 is: 530,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,522.13 : 1,728,787.35 = 353,803.72 : x
  2. Step 2: Convert to fraction form
    1,152,522.13/1,728,787.35 = 353,803.72/x
  3. Step 3: Cross multiply
    1,152,522.13x = 1,728,787.35 × 353,803.72
  4. Step 4: Simplify right side
    1,152,522.13x = 611,651,386,875.01
  5. Step 5: Solve for x
    x = 611,651,386,875.01/1,152,522.13
  6. Step 6: Final answer
    x = 530,706.85

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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.