Home / 1,353,345.42-1,867,545.28-772,545.48

Finding the Fourth Proportional to 1,353,345.42, 1,867,545.28 and 772,545.48

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Solution

The fourth proportional to 1,353,345.42, 1,867,545.28 and 772,545.48 is: 1,066,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,345.42 : 1,867,545.28 = 772,545.48 : x
  2. Step 2: Convert to fraction form
    1,353,345.42/1,867,545.28 = 772,545.48/x
  3. Step 3: Cross multiply
    1,353,345.42x = 1,867,545.28 × 772,545.48
  4. Step 4: Simplify right side
    1,353,345.42x = 1,442,763,664,759.33
  5. Step 5: Solve for x
    x = 1,442,763,664,759.33/1,353,345.42
  6. Step 6: Final answer
    x = 1,066,072.00

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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.