Home / 1,298,750.04-1,948,125.06-786,518.42

Finding the Fourth Proportional to 1,298,750.04, 1,948,125.06 and 786,518.42

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Solution

The fourth proportional to 1,298,750.04, 1,948,125.06 and 786,518.42 is: 1,179,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,750.04 : 1,948,125.06 = 786,518.42 : x
  2. Step 2: Convert to fraction form
    1,298,750.04/1,948,125.06 = 786,518.42/x
  3. Step 3: Cross multiply
    1,298,750.04x = 1,948,125.06 × 786,518.42
  4. Step 4: Simplify right side
    1,298,750.04x = 1,532,236,234,412.98
  5. Step 5: Solve for x
    x = 1,532,236,234,412.98/1,298,750.04
  6. Step 6: Final answer
    x = 1,179,777.62

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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.