Home / 1,312,301.71-1,810,976.35-708,689.71

Finding the Fourth Proportional to 1,312,301.71, 1,810,976.35 and 708,689.71

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Solution

The fourth proportional to 1,312,301.71, 1,810,976.35 and 708,689.71 is: 977,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,301.71 : 1,810,976.35 = 708,689.71 : x
  2. Step 2: Convert to fraction form
    1,312,301.71/1,810,976.35 = 708,689.71/x
  3. Step 3: Cross multiply
    1,312,301.71x = 1,810,976.35 × 708,689.71
  4. Step 4: Simplify right side
    1,312,301.71x = 1,283,420,304,298.36
  5. Step 5: Solve for x
    x = 1,283,420,304,298.36/1,312,301.71
  6. Step 6: Final answer
    x = 977,991.79

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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.