Home / 1,551,352.47-2,139,991.65-930,998.98

Finding the Fourth Proportional to 1,551,352.47, 2,139,991.65 and 930,998.98

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Solution

The fourth proportional to 1,551,352.47, 2,139,991.65 and 930,998.98 is: 1,284,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,352.47 : 2,139,991.65 = 930,998.98 : x
  2. Step 2: Convert to fraction form
    1,551,352.47/2,139,991.65 = 930,998.98/x
  3. Step 3: Cross multiply
    1,551,352.47x = 2,139,991.65 × 930,998.98
  4. Step 4: Simplify right side
    1,551,352.47x = 1,992,330,043,358.52
  5. Step 5: Solve for x
    x = 1,992,330,043,358.52/1,551,352.47
  6. Step 6: Final answer
    x = 1,284,253.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.