Home / 1,370,287.28-1,891,000.14-758,482.16

Finding the Fourth Proportional to 1,370,287.28, 1,891,000.14 and 758,482.16

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Solution

The fourth proportional to 1,370,287.28, 1,891,000.14 and 758,482.16 is: 1,046,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,287.28 : 1,891,000.14 = 758,482.16 : x
  2. Step 2: Convert to fraction form
    1,370,287.28/1,891,000.14 = 758,482.16/x
  3. Step 3: Cross multiply
    1,370,287.28x = 1,891,000.14 × 758,482.16
  4. Step 4: Simplify right side
    1,370,287.28x = 1,434,289,870,747.50
  5. Step 5: Solve for x
    x = 1,434,289,870,747.50/1,370,287.28
  6. Step 6: Final answer
    x = 1,046,707.43

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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.