Home / 1,010,861.20-1,516,652.39-434,242.18

Finding the Fourth Proportional to 1,010,861.20, 1,516,652.39 and 434,242.18

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Solution

The fourth proportional to 1,010,861.20, 1,516,652.39 and 434,242.18 is: 651,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,861.20 : 1,516,652.39 = 434,242.18 : x
  2. Step 2: Convert to fraction form
    1,010,861.20/1,516,652.39 = 434,242.18/x
  3. Step 3: Cross multiply
    1,010,861.20x = 1,516,652.39 × 434,242.18
  4. Step 4: Simplify right side
    1,010,861.20x = 658,594,440,135.81
  5. Step 5: Solve for x
    x = 658,594,440,135.81/1,010,861.20
  6. Step 6: Final answer
    x = 651,518.17

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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.