Home / 917,207.80-1,375,811.70-707,255.80

Finding the Fourth Proportional to 917,207.80, 1,375,811.70 and 707,255.80

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Solution

The fourth proportional to 917,207.80, 1,375,811.70 and 707,255.80 is: 1,060,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,207.80 : 1,375,811.70 = 707,255.80 : x
  2. Step 2: Convert to fraction form
    917,207.80/1,375,811.70 = 707,255.80/x
  3. Step 3: Cross multiply
    917,207.80x = 1,375,811.70 × 707,255.80
  4. Step 4: Simplify right side
    917,207.80x = 973,050,804,532.86
  5. Step 5: Solve for x
    x = 973,050,804,532.86/917,207.80
  6. Step 6: Final answer
    x = 1,060,883.70

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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.