Home / 1,363,240.54-1,881,161.33-790,317.61

Finding the Fourth Proportional to 1,363,240.54, 1,881,161.33 and 790,317.61

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Solution

The fourth proportional to 1,363,240.54, 1,881,161.33 and 790,317.61 is: 1,090,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,240.54 : 1,881,161.33 = 790,317.61 : x
  2. Step 2: Convert to fraction form
    1,363,240.54/1,881,161.33 = 790,317.61/x
  3. Step 3: Cross multiply
    1,363,240.54x = 1,881,161.33 × 790,317.61
  4. Step 4: Simplify right side
    1,363,240.54x = 1,486,714,926,350.02
  5. Step 5: Solve for x
    x = 1,486,714,926,350.02/1,363,240.54
  6. Step 6: Final answer
    x = 1,090,574.17

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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.