Home / 887,623.20-1,328,810.40-835,718.40

Finding the Fourth Proportional to 887,623.20, 1,328,810.40 and 835,718.40

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Solution

The fourth proportional to 887,623.20, 1,328,810.40 and 835,718.40 is: 1,251,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,623.20 : 1,328,810.40 = 835,718.40 : x
  2. Step 2: Convert to fraction form
    887,623.20/1,328,810.40 = 835,718.40/x
  3. Step 3: Cross multiply
    887,623.20x = 1,328,810.40 × 835,718.40
  4. Step 4: Simplify right side
    887,623.20x = 1,110,511,301,391.36
  5. Step 5: Solve for x
    x = 1,110,511,301,391.36/887,623.20
  6. Step 6: Final answer
    x = 1,251,106.66

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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.