Home / 1,189,797.24-1,641,948.75-645,955.95

Finding the Fourth Proportional to 1,189,797.24, 1,641,948.75 and 645,955.95

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Solution

The fourth proportional to 1,189,797.24, 1,641,948.75 and 645,955.95 is: 891,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,797.24 : 1,641,948.75 = 645,955.95 : x
  2. Step 2: Convert to fraction form
    1,189,797.24/1,641,948.75 = 645,955.95/x
  3. Step 3: Cross multiply
    1,189,797.24x = 1,641,948.75 × 645,955.95
  4. Step 4: Simplify right side
    1,189,797.24x = 1,060,626,564,657.56
  5. Step 5: Solve for x
    x = 1,060,626,564,657.56/1,189,797.24
  6. Step 6: Final answer
    x = 891,434.72

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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.