Home / 1,039,873.20-1,559,809.80-291,919.20

Finding the Fourth Proportional to 1,039,873.20, 1,559,809.80 and 291,919.20

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Solution

The fourth proportional to 1,039,873.20, 1,559,809.80 and 291,919.20 is: 437,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,873.20 : 1,559,809.80 = 291,919.20 : x
  2. Step 2: Convert to fraction form
    1,039,873.20/1,559,809.80 = 291,919.20/x
  3. Step 3: Cross multiply
    1,039,873.20x = 1,559,809.80 × 291,919.20
  4. Step 4: Simplify right side
    1,039,873.20x = 455,338,428,968.16
  5. Step 5: Solve for x
    x = 455,338,428,968.16/1,039,873.20
  6. Step 6: Final answer
    x = 437,878.80

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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.