Home / 891,007.20-1,333,886.40-839,102.40

Finding the Fourth Proportional to 891,007.20, 1,333,886.40 and 839,102.40

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Solution

The fourth proportional to 891,007.20, 1,333,886.40 and 839,102.40 is: 1,256,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,007.20 : 1,333,886.40 = 839,102.40 : x
  2. Step 2: Convert to fraction form
    891,007.20/1,333,886.40 = 839,102.40/x
  3. Step 3: Cross multiply
    891,007.20x = 1,333,886.40 × 839,102.40
  4. Step 4: Simplify right side
    891,007.20x = 1,119,267,279,567.36
  5. Step 5: Solve for x
    x = 1,119,267,279,567.36/891,007.20
  6. Step 6: Final answer
    x = 1,256,182.08

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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.