Home / 859,901.70-1,288,297.35-701,271.30

Finding the Fourth Proportional to 859,901.70, 1,288,297.35 and 701,271.30

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Solution

The fourth proportional to 859,901.70, 1,288,297.35 and 701,271.30 is: 1,050,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,901.70 : 1,288,297.35 = 701,271.30 : x
  2. Step 2: Convert to fraction form
    859,901.70/1,288,297.35 = 701,271.30/x
  3. Step 3: Cross multiply
    859,901.70x = 1,288,297.35 × 701,271.30
  4. Step 4: Simplify right side
    859,901.70x = 903,445,957,421.06
  5. Step 5: Solve for x
    x = 903,445,957,421.06/859,901.70
  6. Step 6: Final answer
    x = 1,050,638.65

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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.