Home / 854,561.10-1,280,152.05-749,498.70

Finding the Fourth Proportional to 854,561.10, 1,280,152.05 and 749,498.70

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Solution

The fourth proportional to 854,561.10, 1,280,152.05 and 749,498.70 is: 1,122,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,561.10 : 1,280,152.05 = 749,498.70 : x
  2. Step 2: Convert to fraction form
    854,561.10/1,280,152.05 = 749,498.70/x
  3. Step 3: Cross multiply
    854,561.10x = 1,280,152.05 × 749,498.70
  4. Step 4: Simplify right side
    854,561.10x = 959,472,297,277.34
  5. Step 5: Solve for x
    x = 959,472,297,277.34/854,561.10
  6. Step 6: Final answer
    x = 1,122,766.17

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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.