Home / 1,510,065.96-2,083,934.86-821,782.24

Finding the Fourth Proportional to 1,510,065.96, 2,083,934.86 and 821,782.24

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Solution

The fourth proportional to 1,510,065.96, 2,083,934.86 and 821,782.24 is: 1,134,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,065.96 : 2,083,934.86 = 821,782.24 : x
  2. Step 2: Convert to fraction form
    1,510,065.96/2,083,934.86 = 821,782.24/x
  3. Step 3: Cross multiply
    1,510,065.96x = 2,083,934.86 × 821,782.24
  4. Step 4: Simplify right side
    1,510,065.96x = 1,712,540,657,264.89
  5. Step 5: Solve for x
    x = 1,712,540,657,264.89/1,510,065.96
  6. Step 6: Final answer
    x = 1,134,083.35

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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.