Home / 1,014,355.68-1,400,263.14-670,398.90

Finding the Fourth Proportional to 1,014,355.68, 1,400,263.14 and 670,398.90

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Solution

The fourth proportional to 1,014,355.68, 1,400,263.14 and 670,398.90 is: 925,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,355.68 : 1,400,263.14 = 670,398.90 : x
  2. Step 2: Convert to fraction form
    1,014,355.68/1,400,263.14 = 670,398.90/x
  3. Step 3: Cross multiply
    1,014,355.68x = 1,400,263.14 × 670,398.90
  4. Step 4: Simplify right side
    1,014,355.68x = 938,734,868,766.55
  5. Step 5: Solve for x
    x = 938,734,868,766.55/1,014,355.68
  6. Step 6: Final answer
    x = 925,449.41

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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.