Home / 1,522,068.64-2,100,470.16-918,340

Finding the Fourth Proportional to 1,522,068.64, 2,100,470.16 and 918,340

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Solution

The fourth proportional to 1,522,068.64, 2,100,470.16 and 918,340 is: 1,267,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,068.64 : 2,100,470.16 = 918,340 : x
  2. Step 2: Convert to fraction form
    1,522,068.64/2,100,470.16 = 918,340/x
  3. Step 3: Cross multiply
    1,522,068.64x = 2,100,470.16 × 918,340
  4. Step 4: Simplify right side
    1,522,068.64x = 1,928,945,766,734.40
  5. Step 5: Solve for x
    x = 1,928,945,766,734.40/1,522,068.64
  6. Step 6: Final answer
    x = 1,267,318.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.