Home / 919,458.40-1,376,077.20-919,458.40

Finding the Fourth Proportional to 919,458.40, 1,376,077.20 and 919,458.40

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Solution

The fourth proportional to 919,458.40, 1,376,077.20 and 919,458.40 is: 1,376,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,458.40 : 1,376,077.20 = 919,458.40 : x
  2. Step 2: Convert to fraction form
    919,458.40/1,376,077.20 = 919,458.40/x
  3. Step 3: Cross multiply
    919,458.40x = 1,376,077.20 × 919,458.40
  4. Step 4: Simplify right side
    919,458.40x = 1,265,245,740,588.48
  5. Step 5: Solve for x
    x = 1,265,245,740,588.48/919,458.40
  6. Step 6: Final answer
    x = 1,376,077.20

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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.