Home / 1,438,756.13-1,985,483.16-794,176.15

Finding the Fourth Proportional to 1,438,756.13, 1,985,483.16 and 794,176.15

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Solution

The fourth proportional to 1,438,756.13, 1,985,483.16 and 794,176.15 is: 1,095,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,756.13 : 1,985,483.16 = 794,176.15 : x
  2. Step 2: Convert to fraction form
    1,438,756.13/1,985,483.16 = 794,176.15/x
  3. Step 3: Cross multiply
    1,438,756.13x = 1,985,483.16 × 794,176.15
  4. Step 4: Simplify right side
    1,438,756.13x = 1,576,823,376,862.34
  5. Step 5: Solve for x
    x = 1,576,823,376,862.34/1,438,756.13
  6. Step 6: Final answer
    x = 1,095,962.93

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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.