Home / 1,338,376.42-2,007,565.91-1,101,220.57

Finding the Fourth Proportional to 1,338,376.42, 2,007,565.91 and 1,101,220.57

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Solution

The fourth proportional to 1,338,376.42, 2,007,565.91 and 1,101,220.57 is: 1,651,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,376.42 : 2,007,565.91 = 1,101,220.57 : x
  2. Step 2: Convert to fraction form
    1,338,376.42/2,007,565.91 = 1,101,220.57/x
  3. Step 3: Cross multiply
    1,338,376.42x = 2,007,565.91 × 1,101,220.57
  4. Step 4: Simplify right side
    1,338,376.42x = 2,210,772,875,722.77
  5. Step 5: Solve for x
    x = 2,210,772,875,722.77/1,338,376.42
  6. Step 6: Final answer
    x = 1,651,831.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.