Home / 1,016,637.68-1,403,128.20-564,074.48

Finding the Fourth Proportional to 1,016,637.68, 1,403,128.20 and 564,074.48

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Solution

The fourth proportional to 1,016,637.68, 1,403,128.20 and 564,074.48 is: 778,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,637.68 : 1,403,128.20 = 564,074.48 : x
  2. Step 2: Convert to fraction form
    1,016,637.68/1,403,128.20 = 564,074.48/x
  3. Step 3: Cross multiply
    1,016,637.68x = 1,403,128.20 × 564,074.48
  4. Step 4: Simplify right side
    1,016,637.68x = 791,468,809,788.34
  5. Step 5: Solve for x
    x = 791,468,809,788.34/1,016,637.68
  6. Step 6: Final answer
    x = 778,516.11

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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.