Home / 1,344,015.40-1,854,740.42-740,403.40

Finding the Fourth Proportional to 1,344,015.40, 1,854,740.42 and 740,403.40

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Solution

The fourth proportional to 1,344,015.40, 1,854,740.42 and 740,403.40 is: 1,021,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,015.40 : 1,854,740.42 = 740,403.40 : x
  2. Step 2: Convert to fraction form
    1,344,015.40/1,854,740.42 = 740,403.40/x
  3. Step 3: Cross multiply
    1,344,015.40x = 1,854,740.42 × 740,403.40
  4. Step 4: Simplify right side
    1,344,015.40x = 1,373,256,113,085.43
  5. Step 5: Solve for x
    x = 1,373,256,113,085.43/1,344,015.40
  6. Step 6: Final answer
    x = 1,021,756.23

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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.