Home / 1,312,306.72-1,810,983.25-708,694.72

Finding the Fourth Proportional to 1,312,306.72, 1,810,983.25 and 708,694.72

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Solution

The fourth proportional to 1,312,306.72, 1,810,983.25 and 708,694.72 is: 977,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,306.72 : 1,810,983.25 = 708,694.72 : x
  2. Step 2: Convert to fraction form
    1,312,306.72/1,810,983.25 = 708,694.72/x
  3. Step 3: Cross multiply
    1,312,306.72x = 1,810,983.25 × 708,694.72
  4. Step 4: Simplify right side
    1,312,306.72x = 1,283,434,267,283.44
  5. Step 5: Solve for x
    x = 1,283,434,267,283.44/1,312,306.72
  6. Step 6: Final answer
    x = 977,998.70

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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.