Home / 879,497.70-1,319,246.55-790,851.30

Finding the Fourth Proportional to 879,497.70, 1,319,246.55 and 790,851.30

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Solution

The fourth proportional to 879,497.70, 1,319,246.55 and 790,851.30 is: 1,186,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,497.70 : 1,319,246.55 = 790,851.30 : x
  2. Step 2: Convert to fraction form
    879,497.70/1,319,246.55 = 790,851.30/x
  3. Step 3: Cross multiply
    879,497.70x = 1,319,246.55 × 790,851.30
  4. Step 4: Simplify right side
    879,497.70x = 1,043,327,849,088.02
  5. Step 5: Solve for x
    x = 1,043,327,849,088.02/879,497.70
  6. Step 6: Final answer
    x = 1,186,276.95

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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.