Home / 854,612.10-1,280,228.55-749,549.70

Finding the Fourth Proportional to 854,612.10, 1,280,228.55 and 749,549.70

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Solution

The fourth proportional to 854,612.10, 1,280,228.55 and 749,549.70 is: 1,122,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,612.10 : 1,280,228.55 = 749,549.70 : x
  2. Step 2: Convert to fraction form
    854,612.10/1,280,228.55 = 749,549.70/x
  3. Step 3: Cross multiply
    854,612.10x = 1,280,228.55 × 749,549.70
  4. Step 4: Simplify right side
    854,612.10x = 959,594,925,583.94
  5. Step 5: Solve for x
    x = 959,594,925,583.94/854,612.10
  6. Step 6: Final answer
    x = 1,122,842.66

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1.5x scale

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.