Home / 879,345.10-1,319,017.65-797,988.70

Finding the Fourth Proportional to 879,345.10, 1,319,017.65 and 797,988.70

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Solution

The fourth proportional to 879,345.10, 1,319,017.65 and 797,988.70 is: 1,196,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,345.10 : 1,319,017.65 = 797,988.70 : x
  2. Step 2: Convert to fraction form
    879,345.10/1,319,017.65 = 797,988.70/x
  3. Step 3: Cross multiply
    879,345.10x = 1,319,017.65 × 797,988.70
  4. Step 4: Simplify right side
    879,345.10x = 1,052,561,179,800.55
  5. Step 5: Solve for x
    x = 1,052,561,179,800.55/879,345.10
  6. Step 6: Final answer
    x = 1,196,983.05

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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.