Home / 679,967.40-1,019,951.10-675,820.20

Finding the Fourth Proportional to 679,967.40, 1,019,951.10 and 675,820.20

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Solution

The fourth proportional to 679,967.40, 1,019,951.10 and 675,820.20 is: 1,013,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,967.40 : 1,019,951.10 = 675,820.20 : x
  2. Step 2: Convert to fraction form
    679,967.40/1,019,951.10 = 675,820.20/x
  3. Step 3: Cross multiply
    679,967.40x = 1,019,951.10 × 675,820.20
  4. Step 4: Simplify right side
    679,967.40x = 689,303,556,392.22
  5. Step 5: Solve for x
    x = 689,303,556,392.22/679,967.40
  6. Step 6: Final answer
    x = 1,013,730.30

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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.