Home / 1,119,913.64-1,680,657.66-1,012,838.12

Finding the Fourth Proportional to 1,119,913.64, 1,680,657.66 and 1,012,838.12

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Solution

The fourth proportional to 1,119,913.64, 1,680,657.66 and 1,012,838.12 is: 1,519,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,913.64 : 1,680,657.66 = 1,012,838.12 : x
  2. Step 2: Convert to fraction form
    1,119,913.64/1,680,657.66 = 1,012,838.12/x
  3. Step 3: Cross multiply
    1,119,913.64x = 1,680,657.66 × 1,012,838.12
  4. Step 4: Simplify right side
    1,119,913.64x = 1,702,234,144,718.00
  5. Step 5: Solve for x
    x = 1,702,234,144,718.00/1,119,913.64
  6. Step 6: Final answer
    x = 1,519,969.12

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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.