Home / 1,432,806.90-1,977,259.32-788,227.80

Finding the Fourth Proportional to 1,432,806.90, 1,977,259.32 and 788,227.80

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Solution

The fourth proportional to 1,432,806.90, 1,977,259.32 and 788,227.80 is: 1,087,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,806.90 : 1,977,259.32 = 788,227.80 : x
  2. Step 2: Convert to fraction form
    1,432,806.90/1,977,259.32 = 788,227.80/x
  3. Step 3: Cross multiply
    1,432,806.90x = 1,977,259.32 × 788,227.80
  4. Step 4: Simplify right side
    1,432,806.90x = 1,558,530,763,833.10
  5. Step 5: Solve for x
    x = 1,558,530,763,833.10/1,432,806.90
  6. Step 6: Final answer
    x = 1,087,746.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.