Home / 1,147,808.40-1,717,630.20-999,675.60

Finding the Fourth Proportional to 1,147,808.40, 1,717,630.20 and 999,675.60

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Solution

The fourth proportional to 1,147,808.40, 1,717,630.20 and 999,675.60 is: 1,495,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,808.40 : 1,717,630.20 = 999,675.60 : x
  2. Step 2: Convert to fraction form
    1,147,808.40/1,717,630.20 = 999,675.60/x
  3. Step 3: Cross multiply
    1,147,808.40x = 1,717,630.20 × 999,675.60
  4. Step 4: Simplify right side
    1,147,808.40x = 1,717,073,000,763.12
  5. Step 5: Solve for x
    x = 1,717,073,000,763.12/1,147,808.40
  6. Step 6: Final answer
    x = 1,495,957.86

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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.