Home / 1,425,226.33-1,966,837.89-780,605.01

Finding the Fourth Proportional to 1,425,226.33, 1,966,837.89 and 780,605.01

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Solution

The fourth proportional to 1,425,226.33, 1,966,837.89 and 780,605.01 is: 1,077,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,226.33 : 1,966,837.89 = 780,605.01 : x
  2. Step 2: Convert to fraction form
    1,425,226.33/1,966,837.89 = 780,605.01/x
  3. Step 3: Cross multiply
    1,425,226.33x = 1,966,837.89 × 780,605.01
  4. Step 4: Simplify right side
    1,425,226.33x = 1,535,323,500,957.64
  5. Step 5: Solve for x
    x = 1,535,323,500,957.64/1,425,226.33
  6. Step 6: Final answer
    x = 1,077,248.90

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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.