Home / 1,352,973.19-1,867,133.15-772,184.75

Finding the Fourth Proportional to 1,352,973.19, 1,867,133.15 and 772,184.75

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Solution

The fourth proportional to 1,352,973.19, 1,867,133.15 and 772,184.75 is: 1,065,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,973.19 : 1,867,133.15 = 772,184.75 : x
  2. Step 2: Convert to fraction form
    1,352,973.19/1,867,133.15 = 772,184.75/x
  3. Step 3: Cross multiply
    1,352,973.19x = 1,867,133.15 × 772,184.75
  4. Step 4: Simplify right side
    1,352,973.19x = 1,441,771,740,788.54
  5. Step 5: Solve for x
    x = 1,441,771,740,788.54/1,352,973.19
  6. Step 6: Final answer
    x = 1,065,632.16

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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.