Home / 1,353,345.35-1,867,545.19-772,545.41

Finding the Fourth Proportional to 1,353,345.35, 1,867,545.19 and 772,545.41

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Solution

The fourth proportional to 1,353,345.35, 1,867,545.19 and 772,545.41 is: 1,066,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,345.35 : 1,867,545.19 = 772,545.41 : x
  2. Step 2: Convert to fraction form
    1,353,345.35/1,867,545.19 = 772,545.41/x
  3. Step 3: Cross multiply
    1,353,345.35x = 1,867,545.19 × 772,545.41
  4. Step 4: Simplify right side
    1,353,345.35x = 1,442,763,463,133.33
  5. Step 5: Solve for x
    x = 1,442,763,463,133.33/1,353,345.35
  6. Step 6: Final answer
    x = 1,066,071.91

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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.