Home / 1,220,254.60-1,830,475.46-410,643

Finding the Fourth Proportional to 1,220,254.60, 1,830,475.46 and 410,643

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Solution

The fourth proportional to 1,220,254.60, 1,830,475.46 and 410,643 is: 615,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,254.60 : 1,830,475.46 = 410,643 : x
  2. Step 2: Convert to fraction form
    1,220,254.60/1,830,475.46 = 410,643/x
  3. Step 3: Cross multiply
    1,220,254.60x = 1,830,475.46 × 410,643
  4. Step 4: Simplify right side
    1,220,254.60x = 751,671,934,320.78
  5. Step 5: Solve for x
    x = 751,671,934,320.78/1,220,254.60
  6. Step 6: Final answer
    x = 615,995.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.