Home / 1,047,149.95-1,445,072.55-588,283.86

Finding the Fourth Proportional to 1,047,149.95, 1,445,072.55 and 588,283.86

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Solution

The fourth proportional to 1,047,149.95, 1,445,072.55 and 588,283.86 is: 811,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,149.95 : 1,445,072.55 = 588,283.86 : x
  2. Step 2: Convert to fraction form
    1,047,149.95/1,445,072.55 = 588,283.86/x
  3. Step 3: Cross multiply
    1,047,149.95x = 1,445,072.55 × 588,283.86
  4. Step 4: Simplify right side
    1,047,149.95x = 850,112,864,216.10
  5. Step 5: Solve for x
    x = 850,112,864,216.10/1,047,149.95
  6. Step 6: Final answer
    x = 811,834.89

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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.