Home / 1,581,465.18-2,182,815.63-902,795.34

Finding the Fourth Proportional to 1,581,465.18, 2,182,815.63 and 902,795.34

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Solution

The fourth proportional to 1,581,465.18, 2,182,815.63 and 902,795.34 is: 1,246,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,465.18 : 2,182,815.63 = 902,795.34 : x
  2. Step 2: Convert to fraction form
    1,581,465.18/2,182,815.63 = 902,795.34/x
  3. Step 3: Cross multiply
    1,581,465.18x = 2,182,815.63 × 902,795.34
  4. Step 4: Simplify right side
    1,581,465.18x = 1,970,635,778,843.16
  5. Step 5: Solve for x
    x = 1,970,635,778,843.16/1,581,465.18
  6. Step 6: Final answer
    x = 1,246,082.31

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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.