Home / 1,087,010.40-1,630,515.60-682,852.80

Finding the Fourth Proportional to 1,087,010.40, 1,630,515.60 and 682,852.80

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Solution

The fourth proportional to 1,087,010.40, 1,630,515.60 and 682,852.80 is: 1,024,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,010.40 : 1,630,515.60 = 682,852.80 : x
  2. Step 2: Convert to fraction form
    1,087,010.40/1,630,515.60 = 682,852.80/x
  3. Step 3: Cross multiply
    1,087,010.40x = 1,630,515.60 × 682,852.80
  4. Step 4: Simplify right side
    1,087,010.40x = 1,113,402,142,903.68
  5. Step 5: Solve for x
    x = 1,113,402,142,903.68/1,087,010.40
  6. Step 6: Final answer
    x = 1,024,279.20

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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.