Home / 1,363,239.54-1,881,159.95-790,316.61

Finding the Fourth Proportional to 1,363,239.54, 1,881,159.95 and 790,316.61

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Solution

The fourth proportional to 1,363,239.54, 1,881,159.95 and 790,316.61 is: 1,090,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,239.54 : 1,881,159.95 = 790,316.61 : x
  2. Step 2: Convert to fraction form
    1,363,239.54/1,881,159.95 = 790,316.61/x
  3. Step 3: Cross multiply
    1,363,239.54x = 1,881,159.95 × 790,316.61
  4. Step 4: Simplify right side
    1,363,239.54x = 1,486,711,963,581.91
  5. Step 5: Solve for x
    x = 1,486,711,963,581.91/1,363,239.54
  6. Step 6: Final answer
    x = 1,090,572.80

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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.