Home / 1,448,565.32-1,998,981.72-803,968.88

Finding the Fourth Proportional to 1,448,565.32, 1,998,981.72 and 803,968.88

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Solution

The fourth proportional to 1,448,565.32, 1,998,981.72 and 803,968.88 is: 1,109,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,565.32 : 1,998,981.72 = 803,968.88 : x
  2. Step 2: Convert to fraction form
    1,448,565.32/1,998,981.72 = 803,968.88/x
  3. Step 3: Cross multiply
    1,448,565.32x = 1,998,981.72 × 803,968.88
  4. Step 4: Simplify right side
    1,448,565.32x = 1,607,119,094,568.87
  5. Step 5: Solve for x
    x = 1,607,119,094,568.87/1,448,565.32
  6. Step 6: Final answer
    x = 1,109,455.73

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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.