Home / 1,075,045.32-1,613,564.88-542,939.70

Finding the Fourth Proportional to 1,075,045.32, 1,613,564.88 and 542,939.70

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Solution

The fourth proportional to 1,075,045.32, 1,613,564.88 and 542,939.70 is: 814,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,045.32 : 1,613,564.88 = 542,939.70 : x
  2. Step 2: Convert to fraction form
    1,075,045.32/1,613,564.88 = 542,939.70/x
  3. Step 3: Cross multiply
    1,075,045.32x = 1,613,564.88 × 542,939.70
  4. Step 4: Simplify right side
    1,075,045.32x = 876,068,431,877.74
  5. Step 5: Solve for x
    x = 876,068,431,877.74/1,075,045.32
  6. Step 6: Final answer
    x = 814,913.02

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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.