Home / 1,370,455.79-1,891,233.30-741,799.31

Finding the Fourth Proportional to 1,370,455.79, 1,891,233.30 and 741,799.31

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Solution

The fourth proportional to 1,370,455.79, 1,891,233.30 and 741,799.31 is: 1,023,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,455.79 : 1,891,233.30 = 741,799.31 : x
  2. Step 2: Convert to fraction form
    1,370,455.79/1,891,233.30 = 741,799.31/x
  3. Step 3: Cross multiply
    1,370,455.79x = 1,891,233.30 × 741,799.31
  4. Step 4: Simplify right side
    1,370,455.79x = 1,402,915,547,532.86
  5. Step 5: Solve for x
    x = 1,402,915,547,532.86/1,370,455.79
  6. Step 6: Final answer
    x = 1,023,685.38

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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.