Home / 1,230,559.10-1,698,171.92-679,275.18

Finding the Fourth Proportional to 1,230,559.10, 1,698,171.92 and 679,275.18

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Solution

The fourth proportional to 1,230,559.10, 1,698,171.92 and 679,275.18 is: 937,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,559.10 : 1,698,171.92 = 679,275.18 : x
  2. Step 2: Convert to fraction form
    1,230,559.10/1,698,171.92 = 679,275.18/x
  3. Step 3: Cross multiply
    1,230,559.10x = 1,698,171.92 × 679,275.18
  4. Step 4: Simplify right side
    1,230,559.10x = 1,153,526,036,628.95
  5. Step 5: Solve for x
    x = 1,153,526,036,628.95/1,230,559.10
  6. Step 6: Final answer
    x = 937,399.95

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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.