Home / 1,028,808.04-1,420,127.76-837,489.28

Finding the Fourth Proportional to 1,028,808.04, 1,420,127.76 and 837,489.28

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Solution

The fourth proportional to 1,028,808.04, 1,420,127.76 and 837,489.28 is: 1,156,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,808.04 : 1,420,127.76 = 837,489.28 : x
  2. Step 2: Convert to fraction form
    1,028,808.04/1,420,127.76 = 837,489.28/x
  3. Step 3: Cross multiply
    1,028,808.04x = 1,420,127.76 × 837,489.28
  4. Step 4: Simplify right side
    1,028,808.04x = 1,189,341,775,230.41
  5. Step 5: Solve for x
    x = 1,189,341,775,230.41/1,028,808.04
  6. Step 6: Final answer
    x = 1,156,038.57

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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.