Home / 1,220,315.34-1,830,542.73-410,374.74

Finding the Fourth Proportional to 1,220,315.34, 1,830,542.73 and 410,374.74

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Solution

The fourth proportional to 1,220,315.34, 1,830,542.73 and 410,374.74 is: 615,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,315.34 : 1,830,542.73 = 410,374.74 : x
  2. Step 2: Convert to fraction form
    1,220,315.34/1,830,542.73 = 410,374.74/x
  3. Step 3: Cross multiply
    1,220,315.34x = 1,830,542.73 × 410,374.74
  4. Step 4: Simplify right side
    1,220,315.34x = 751,208,496,882.64
  5. Step 5: Solve for x
    x = 751,208,496,882.64/1,220,315.34
  6. Step 6: Final answer
    x = 615,585.56

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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.