Home / 1,012,672.22-1,518,439.71-338,398.25

Finding the Fourth Proportional to 1,012,672.22, 1,518,439.71 and 338,398.25

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Solution

The fourth proportional to 1,012,672.22, 1,518,439.71 and 338,398.25 is: 507,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,672.22 : 1,518,439.71 = 338,398.25 : x
  2. Step 2: Convert to fraction form
    1,012,672.22/1,518,439.71 = 338,398.25/x
  3. Step 3: Cross multiply
    1,012,672.22x = 1,518,439.71 × 338,398.25
  4. Step 4: Simplify right side
    1,012,672.22x = 513,837,340,594.51
  5. Step 5: Solve for x
    x = 513,837,340,594.51/1,012,672.22
  6. Step 6: Final answer
    x = 507,407.36

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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.