Home / 1,207,339.23-1,665,434.40-753,842.91

Finding the Fourth Proportional to 1,207,339.23, 1,665,434.40 and 753,842.91

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Solution

The fourth proportional to 1,207,339.23, 1,665,434.40 and 753,842.91 is: 1,039,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,339.23 : 1,665,434.40 = 753,842.91 : x
  2. Step 2: Convert to fraction form
    1,207,339.23/1,665,434.40 = 753,842.91/x
  3. Step 3: Cross multiply
    1,207,339.23x = 1,665,434.40 × 753,842.91
  4. Step 4: Simplify right side
    1,207,339.23x = 1,255,475,922,168.94
  5. Step 5: Solve for x
    x = 1,255,475,922,168.94/1,207,339.23
  6. Step 6: Final answer
    x = 1,039,870.06

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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.