Home / 1,438,908.81-1,985,642.11-794,315.16

Finding the Fourth Proportional to 1,438,908.81, 1,985,642.11 and 794,315.16

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Solution

The fourth proportional to 1,438,908.81, 1,985,642.11 and 794,315.16 is: 1,096,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,908.81 : 1,985,642.11 = 794,315.16 : x
  2. Step 2: Convert to fraction form
    1,438,908.81/1,985,642.11 = 794,315.16/x
  3. Step 3: Cross multiply
    1,438,908.81x = 1,985,642.11 × 794,315.16
  4. Step 4: Simplify right side
    1,438,908.81x = 1,577,225,630,307.39
  5. Step 5: Solve for x
    x = 1,577,225,630,307.39/1,438,908.81
  6. Step 6: Final answer
    x = 1,096,126.19

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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.