Home / 1,148,009.60-1,722,014.40-988,577.30

Finding the Fourth Proportional to 1,148,009.60, 1,722,014.40 and 988,577.30

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Solution

The fourth proportional to 1,148,009.60, 1,722,014.40 and 988,577.30 is: 1,482,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,009.60 : 1,722,014.40 = 988,577.30 : x
  2. Step 2: Convert to fraction form
    1,148,009.60/1,722,014.40 = 988,577.30/x
  3. Step 3: Cross multiply
    1,148,009.60x = 1,722,014.40 × 988,577.30
  4. Step 4: Simplify right side
    1,148,009.60x = 1,702,344,346,113.12
  5. Step 5: Solve for x
    x = 1,702,344,346,113.12/1,148,009.60
  6. Step 6: Final answer
    x = 1,482,865.95

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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.