Home / 1,425,475.85-1,967,205.65-780,895.88

Finding the Fourth Proportional to 1,425,475.85, 1,967,205.65 and 780,895.88

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Solution

The fourth proportional to 1,425,475.85, 1,967,205.65 and 780,895.88 is: 1,077,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,475.85 : 1,967,205.65 = 780,895.88 : x
  2. Step 2: Convert to fraction form
    1,425,475.85/1,967,205.65 = 780,895.88/x
  3. Step 3: Cross multiply
    1,425,475.85x = 1,967,205.65 × 780,895.88
  4. Step 4: Simplify right side
    1,425,475.85x = 1,536,182,773,457.21
  5. Step 5: Solve for x
    x = 1,536,182,773,457.21/1,425,475.85
  6. Step 6: Final answer
    x = 1,077,663.13

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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.