Home / 1,340,737.58-1,850,254.36-728,931.50

Finding the Fourth Proportional to 1,340,737.58, 1,850,254.36 and 728,931.50

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Solution

The fourth proportional to 1,340,737.58, 1,850,254.36 and 728,931.50 is: 1,005,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,737.58 : 1,850,254.36 = 728,931.50 : x
  2. Step 2: Convert to fraction form
    1,340,737.58/1,850,254.36 = 728,931.50/x
  3. Step 3: Cross multiply
    1,340,737.58x = 1,850,254.36 × 728,931.50
  4. Step 4: Simplify right side
    1,340,737.58x = 1,348,708,686,016.34
  5. Step 5: Solve for x
    x = 1,348,708,686,016.34/1,340,737.58
  6. Step 6: Final answer
    x = 1,005,945.31

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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.