Home / 1,091,750.40-1,637,625.60-671,263.20

Finding the Fourth Proportional to 1,091,750.40, 1,637,625.60 and 671,263.20

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Solution

The fourth proportional to 1,091,750.40, 1,637,625.60 and 671,263.20 is: 1,006,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,750.40 : 1,637,625.60 = 671,263.20 : x
  2. Step 2: Convert to fraction form
    1,091,750.40/1,637,625.60 = 671,263.20/x
  3. Step 3: Cross multiply
    1,091,750.40x = 1,637,625.60 × 671,263.20
  4. Step 4: Simplify right side
    1,091,750.40x = 1,099,277,800,657.92
  5. Step 5: Solve for x
    x = 1,099,277,800,657.92/1,091,750.40
  6. Step 6: Final answer
    x = 1,006,894.80

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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.