Home / 1,357,548.06-1,874,053.08-784,476.30

Finding the Fourth Proportional to 1,357,548.06, 1,874,053.08 and 784,476.30

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Solution

The fourth proportional to 1,357,548.06, 1,874,053.08 and 784,476.30 is: 1,082,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,548.06 : 1,874,053.08 = 784,476.30 : x
  2. Step 2: Convert to fraction form
    1,357,548.06/1,874,053.08 = 784,476.30/x
  3. Step 3: Cross multiply
    1,357,548.06x = 1,874,053.08 × 784,476.30
  4. Step 4: Simplify right side
    1,357,548.06x = 1,470,150,226,202.00
  5. Step 5: Solve for x
    x = 1,470,150,226,202.00/1,357,548.06
  6. Step 6: Final answer
    x = 1,082,945.25

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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.