Home / 1,207,916.78-1,810,546.56-497,557.31

Finding the Fourth Proportional to 1,207,916.78, 1,810,546.56 and 497,557.31

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Solution

The fourth proportional to 1,207,916.78, 1,810,546.56 and 497,557.31 is: 745,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,916.78 : 1,810,546.56 = 497,557.31 : x
  2. Step 2: Convert to fraction form
    1,207,916.78/1,810,546.56 = 497,557.31/x
  3. Step 3: Cross multiply
    1,207,916.78x = 1,810,546.56 × 497,557.31
  4. Step 4: Simplify right side
    1,207,916.78x = 900,850,666,970.62
  5. Step 5: Solve for x
    x = 900,850,666,970.62/1,207,916.78
  6. Step 6: Final answer
    x = 745,788.69

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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.