Home / 1,427,420.70-2,139,316.65-585,020.70

Finding the Fourth Proportional to 1,427,420.70, 2,139,316.65 and 585,020.70

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Solution

The fourth proportional to 1,427,420.70, 2,139,316.65 and 585,020.70 is: 876,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,420.70 : 2,139,316.65 = 585,020.70 : x
  2. Step 2: Convert to fraction form
    1,427,420.70/2,139,316.65 = 585,020.70/x
  3. Step 3: Cross multiply
    1,427,420.70x = 2,139,316.65 × 585,020.70
  4. Step 4: Simplify right side
    1,427,420.70x = 1,251,544,524,104.65
  5. Step 5: Solve for x
    x = 1,251,544,524,104.65/1,427,420.70
  6. Step 6: Final answer
    x = 876,787.43

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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.