Home / 1,367,277.32-1,886,831.60-755,428.11

Finding the Fourth Proportional to 1,367,277.32, 1,886,831.60 and 755,428.11

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Solution

The fourth proportional to 1,367,277.32, 1,886,831.60 and 755,428.11 is: 1,042,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,277.32 : 1,886,831.60 = 755,428.11 : x
  2. Step 2: Convert to fraction form
    1,367,277.32/1,886,831.60 = 755,428.11/x
  3. Step 3: Cross multiply
    1,367,277.32x = 1,886,831.60 × 755,428.11
  4. Step 4: Simplify right side
    1,367,277.32x = 1,425,365,625,699.14
  5. Step 5: Solve for x
    x = 1,425,365,625,699.14/1,367,277.32
  6. Step 6: Final answer
    x = 1,042,484.66

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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.