Home / 1,220,746.16-1,684,803.30-677,002.88

Finding the Fourth Proportional to 1,220,746.16, 1,684,803.30 and 677,002.88

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Solution

The fourth proportional to 1,220,746.16, 1,684,803.30 and 677,002.88 is: 934,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,746.16 : 1,684,803.30 = 677,002.88 : x
  2. Step 2: Convert to fraction form
    1,220,746.16/1,684,803.30 = 677,002.88/x
  3. Step 3: Cross multiply
    1,220,746.16x = 1,684,803.30 × 677,002.88
  4. Step 4: Simplify right side
    1,220,746.16x = 1,140,616,686,333.50
  5. Step 5: Solve for x
    x = 1,140,616,686,333.50/1,220,746.16
  6. Step 6: Final answer
    x = 934,360.25

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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.