Home / 1,191,019.79-1,643,422.29-707,572.51

Finding the Fourth Proportional to 1,191,019.79, 1,643,422.29 and 707,572.51

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Solution

The fourth proportional to 1,191,019.79, 1,643,422.29 and 707,572.51 is: 976,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,019.79 : 1,643,422.29 = 707,572.51 : x
  2. Step 2: Convert to fraction form
    1,191,019.79/1,643,422.29 = 707,572.51/x
  3. Step 3: Cross multiply
    1,191,019.79x = 1,643,422.29 × 707,572.51
  4. Step 4: Simplify right side
    1,191,019.79x = 1,162,840,434,725.25
  5. Step 5: Solve for x
    x = 1,162,840,434,725.25/1,191,019.79
  6. Step 6: Final answer
    x = 976,340.15

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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.