Home / 1,509,578.50-2,083,218.34-830,500.42

Finding the Fourth Proportional to 1,509,578.50, 2,083,218.34 and 830,500.42

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Solution

The fourth proportional to 1,509,578.50, 2,083,218.34 and 830,500.42 is: 1,146,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,578.50 : 2,083,218.34 = 830,500.42 : x
  2. Step 2: Convert to fraction form
    1,509,578.50/2,083,218.34 = 830,500.42/x
  3. Step 3: Cross multiply
    1,509,578.50x = 2,083,218.34 × 830,500.42
  4. Step 4: Simplify right side
    1,509,578.50x = 1,730,113,706,321.70
  5. Step 5: Solve for x
    x = 1,730,113,706,321.70/1,509,578.50
  6. Step 6: Final answer
    x = 1,146,090.59

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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.