Home / 1,012,113.69-1,518,248.79-338,197.33

Finding the Fourth Proportional to 1,012,113.69, 1,518,248.79 and 338,197.33

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Solution

The fourth proportional to 1,012,113.69, 1,518,248.79 and 338,197.33 is: 507,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,113.69 : 1,518,248.79 = 338,197.33 : x
  2. Step 2: Convert to fraction form
    1,012,113.69/1,518,248.79 = 338,197.33/x
  3. Step 3: Cross multiply
    1,012,113.69x = 1,518,248.79 × 338,197.33
  4. Step 4: Simplify right side
    1,012,113.69x = 513,467,677,771.50
  5. Step 5: Solve for x
    x = 513,467,677,771.50/1,012,113.69
  6. Step 6: Final answer
    x = 507,322.14

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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.