Home / 1,170,400.35-1,755,250.61-609,128.67

Finding the Fourth Proportional to 1,170,400.35, 1,755,250.61 and 609,128.67

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Solution

The fourth proportional to 1,170,400.35, 1,755,250.61 and 609,128.67 is: 913,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,400.35 : 1,755,250.61 = 609,128.67 : x
  2. Step 2: Convert to fraction form
    1,170,400.35/1,755,250.61 = 609,128.67/x
  3. Step 3: Cross multiply
    1,170,400.35x = 1,755,250.61 × 609,128.67
  4. Step 4: Simplify right side
    1,170,400.35x = 1,069,173,466,540.35
  5. Step 5: Solve for x
    x = 1,069,173,466,540.35/1,170,400.35
  6. Step 6: Final answer
    x = 913,510.89

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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.