Home / 1,490,415.60-2,235,623.40-543,663.30

Finding the Fourth Proportional to 1,490,415.60, 2,235,623.40 and 543,663.30

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Solution

The fourth proportional to 1,490,415.60, 2,235,623.40 and 543,663.30 is: 815,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,415.60 : 2,235,623.40 = 543,663.30 : x
  2. Step 2: Convert to fraction form
    1,490,415.60/2,235,623.40 = 543,663.30/x
  3. Step 3: Cross multiply
    1,490,415.60x = 2,235,623.40 × 543,663.30
  4. Step 4: Simplify right side
    1,490,415.60x = 1,215,426,395,201.22
  5. Step 5: Solve for x
    x = 1,215,426,395,201.22/1,490,415.60
  6. Step 6: Final answer
    x = 815,494.95

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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.