Home / 1,357,845.36-1,873,618.20-784,774.32

Finding the Fourth Proportional to 1,357,845.36, 1,873,618.20 and 784,774.32

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Solution

The fourth proportional to 1,357,845.36, 1,873,618.20 and 784,774.32 is: 1,082,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,845.36 : 1,873,618.20 = 784,774.32 : x
  2. Step 2: Convert to fraction form
    1,357,845.36/1,873,618.20 = 784,774.32/x
  3. Step 3: Cross multiply
    1,357,845.36x = 1,873,618.20 × 784,774.32
  4. Step 4: Simplify right side
    1,357,845.36x = 1,470,367,448,844.62
  5. Step 5: Solve for x
    x = 1,470,367,448,844.62/1,357,845.36
  6. Step 6: Final answer
    x = 1,082,868.12

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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.