Home / 1,211,430.60-1,817,000.10-501,384.60

Finding the Fourth Proportional to 1,211,430.60, 1,817,000.10 and 501,384.60

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Solution

The fourth proportional to 1,211,430.60, 1,817,000.10 and 501,384.60 is: 752,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,430.60 : 1,817,000.10 = 501,384.60 : x
  2. Step 2: Convert to fraction form
    1,211,430.60/1,817,000.10 = 501,384.60/x
  3. Step 3: Cross multiply
    1,211,430.60x = 1,817,000.10 × 501,384.60
  4. Step 4: Simplify right side
    1,211,430.60x = 911,015,868,338.46
  5. Step 5: Solve for x
    x = 911,015,868,338.46/1,211,430.60
  6. Step 6: Final answer
    x = 752,016.56

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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.