Home / 1,357,378.54-1,873,204.95-745,587.91

Finding the Fourth Proportional to 1,357,378.54, 1,873,204.95 and 745,587.91

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Solution

The fourth proportional to 1,357,378.54, 1,873,204.95 and 745,587.91 is: 1,028,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,378.54 : 1,873,204.95 = 745,587.91 : x
  2. Step 2: Convert to fraction form
    1,357,378.54/1,873,204.95 = 745,587.91/x
  3. Step 3: Cross multiply
    1,357,378.54x = 1,873,204.95 × 745,587.91
  4. Step 4: Simplify right side
    1,357,378.54x = 1,396,638,963,672.15
  5. Step 5: Solve for x
    x = 1,396,638,963,672.15/1,357,378.54
  6. Step 6: Final answer
    x = 1,028,923.71

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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.