Home / 1,349,299.61-1,862,030.30-768,522.63

Finding the Fourth Proportional to 1,349,299.61, 1,862,030.30 and 768,522.63

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Solution

The fourth proportional to 1,349,299.61, 1,862,030.30 and 768,522.63 is: 1,060,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,299.61 : 1,862,030.30 = 768,522.63 : x
  2. Step 2: Convert to fraction form
    1,349,299.61/1,862,030.30 = 768,522.63/x
  3. Step 3: Cross multiply
    1,349,299.61x = 1,862,030.30 × 768,522.63
  4. Step 4: Simplify right side
    1,349,299.61x = 1,431,012,425,217.00
  5. Step 5: Solve for x
    x = 1,431,012,425,217.00/1,349,299.61
  6. Step 6: Final answer
    x = 1,060,559.43

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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.