Home / 1,358,394.70-2,038,432.31-790,042.54

Finding the Fourth Proportional to 1,358,394.70, 2,038,432.31 and 790,042.54

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Solution

The fourth proportional to 1,358,394.70, 2,038,432.31 and 790,042.54 is: 1,185,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,394.70 : 2,038,432.31 = 790,042.54 : x
  2. Step 2: Convert to fraction form
    1,358,394.70/2,038,432.31 = 790,042.54/x
  3. Step 3: Cross multiply
    1,358,394.70x = 2,038,432.31 × 790,042.54
  4. Step 4: Simplify right side
    1,358,394.70x = 1,610,448,239,810.47
  5. Step 5: Solve for x
    x = 1,610,448,239,810.47/1,358,394.70
  6. Step 6: Final answer
    x = 1,185,552.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.