Home / 918,035.45-1,266,863.55-510,126.74

Finding the Fourth Proportional to 918,035.45, 1,266,863.55 and 510,126.74

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Solution

The fourth proportional to 918,035.45, 1,266,863.55 and 510,126.74 is: 703,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,035.45 : 1,266,863.55 = 510,126.74 : x
  2. Step 2: Convert to fraction form
    918,035.45/1,266,863.55 = 510,126.74/x
  3. Step 3: Cross multiply
    918,035.45x = 1,266,863.55 × 510,126.74
  4. Step 4: Simplify right side
    918,035.45x = 646,260,966,452.01
  5. Step 5: Solve for x
    x = 646,260,966,452.01/918,035.45
  6. Step 6: Final answer
    x = 703,960.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.