Home / 1,115,565.39-1,539,421.29-632,136.33

Finding the Fourth Proportional to 1,115,565.39, 1,539,421.29 and 632,136.33

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Solution

The fourth proportional to 1,115,565.39, 1,539,421.29 and 632,136.33 is: 872,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,565.39 : 1,539,421.29 = 632,136.33 : x
  2. Step 2: Convert to fraction form
    1,115,565.39/1,539,421.29 = 632,136.33/x
  3. Step 3: Cross multiply
    1,115,565.39x = 1,539,421.29 × 632,136.33
  4. Step 4: Simplify right side
    1,115,565.39x = 973,124,124,584.47
  5. Step 5: Solve for x
    x = 973,124,124,584.47/1,115,565.39
  6. Step 6: Final answer
    x = 872,314.73

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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.