Home / 1,275,990.64-1,913,985.94-377,362.40

Finding the Fourth Proportional to 1,275,990.64, 1,913,985.94 and 377,362.40

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Solution

The fourth proportional to 1,275,990.64, 1,913,985.94 and 377,362.40 is: 566,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,990.64 : 1,913,985.94 = 377,362.40 : x
  2. Step 2: Convert to fraction form
    1,275,990.64/1,913,985.94 = 377,362.40/x
  3. Step 3: Cross multiply
    1,275,990.64x = 1,913,985.94 × 377,362.40
  4. Step 4: Simplify right side
    1,275,990.64x = 722,266,327,884.66
  5. Step 5: Solve for x
    x = 722,266,327,884.66/1,275,990.64
  6. Step 6: Final answer
    x = 566,043.59

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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.