Home / 1,462,058.71-2,017,023.20-978,779.56

Finding the Fourth Proportional to 1,462,058.71, 2,017,023.20 and 978,779.56

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Solution

The fourth proportional to 1,462,058.71, 2,017,023.20 and 978,779.56 is: 1,350,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,058.71 : 2,017,023.20 = 978,779.56 : x
  2. Step 2: Convert to fraction form
    1,462,058.71/2,017,023.20 = 978,779.56/x
  3. Step 3: Cross multiply
    1,462,058.71x = 2,017,023.20 × 978,779.56
  4. Step 4: Simplify right side
    1,462,058.71x = 1,974,221,065,226.78
  5. Step 5: Solve for x
    x = 1,974,221,065,226.78/1,462,058.71
  6. Step 6: Final answer
    x = 1,350,302.19

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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.