Home / 1,220,746.04-1,684,649.75-676,904.75

Finding the Fourth Proportional to 1,220,746.04, 1,684,649.75 and 676,904.75

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Solution

The fourth proportional to 1,220,746.04, 1,684,649.75 and 676,904.75 is: 934,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,746.04 : 1,684,649.75 = 676,904.75 : x
  2. Step 2: Convert to fraction form
    1,220,746.04/1,684,649.75 = 676,904.75/x
  3. Step 3: Cross multiply
    1,220,746.04x = 1,684,649.75 × 676,904.75
  4. Step 4: Simplify right side
    1,220,746.04x = 1,140,347,412,370.98
  5. Step 5: Solve for x
    x = 1,140,347,412,370.98/1,220,746.04
  6. Step 6: Final answer
    x = 934,139.76

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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.