Home / 1,425,394-1,967,044.07-780,837.11

Finding the Fourth Proportional to 1,425,394, 1,967,044.07 and 780,837.11

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Solution

The fourth proportional to 1,425,394, 1,967,044.07 and 780,837.11 is: 1,077,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,394 : 1,967,044.07 = 780,837.11 : x
  2. Step 2: Convert to fraction form
    1,425,394/1,967,044.07 = 780,837.11/x
  3. Step 3: Cross multiply
    1,425,394x = 1,967,044.07 × 780,837.11
  4. Step 4: Simplify right side
    1,425,394x = 1,535,941,006,861.44
  5. Step 5: Solve for x
    x = 1,535,941,006,861.44/1,425,394
  6. Step 6: Final answer
    x = 1,077,555.40

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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.