Home / 1,105,308.40-1,657,962.60-306,589.95

Finding the Fourth Proportional to 1,105,308.40, 1,657,962.60 and 306,589.95

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Solution

The fourth proportional to 1,105,308.40, 1,657,962.60 and 306,589.95 is: 459,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,308.40 : 1,657,962.60 = 306,589.95 : x
  2. Step 2: Convert to fraction form
    1,105,308.40/1,657,962.60 = 306,589.95/x
  3. Step 3: Cross multiply
    1,105,308.40x = 1,657,962.60 × 306,589.95
  4. Step 4: Simplify right side
    1,105,308.40x = 508,314,666,978.83
  5. Step 5: Solve for x
    x = 508,314,666,978.83/1,105,308.40
  6. Step 6: Final answer
    x = 459,884.92

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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.