Home / 919,470.80-1,376,095.80-807,496.40

Finding the Fourth Proportional to 919,470.80, 1,376,095.80 and 807,496.40

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Solution

The fourth proportional to 919,470.80, 1,376,095.80 and 807,496.40 is: 1,208,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,470.80 : 1,376,095.80 = 807,496.40 : x
  2. Step 2: Convert to fraction form
    919,470.80/1,376,095.80 = 807,496.40/x
  3. Step 3: Cross multiply
    919,470.80x = 1,376,095.80 × 807,496.40
  4. Step 4: Simplify right side
    919,470.80x = 1,111,192,404,555.12
  5. Step 5: Solve for x
    x = 1,111,192,404,555.12/919,470.80
  6. Step 6: Final answer
    x = 1,208,512.99

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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.