Home / 1,042,214.40-1,562,620.80-410,803.20

Finding the Fourth Proportional to 1,042,214.40, 1,562,620.80 and 410,803.20

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Solution

The fourth proportional to 1,042,214.40, 1,562,620.80 and 410,803.20 is: 615,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,214.40 : 1,562,620.80 = 410,803.20 : x
  2. Step 2: Convert to fraction form
    1,042,214.40/1,562,620.80 = 410,803.20/x
  3. Step 3: Cross multiply
    1,042,214.40x = 1,562,620.80 × 410,803.20
  4. Step 4: Simplify right side
    1,042,214.40x = 641,929,625,026.56
  5. Step 5: Solve for x
    x = 641,929,625,026.56/1,042,214.40
  6. Step 6: Final answer
    x = 615,928.57

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1.5x scale

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.