Home / 1,029,670.26-1,420,873.28-570,780.42

Finding the Fourth Proportional to 1,029,670.26, 1,420,873.28 and 570,780.42

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Solution

The fourth proportional to 1,029,670.26, 1,420,873.28 and 570,780.42 is: 787,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,670.26 : 1,420,873.28 = 570,780.42 : x
  2. Step 2: Convert to fraction form
    1,029,670.26/1,420,873.28 = 570,780.42/x
  3. Step 3: Cross multiply
    1,029,670.26x = 1,420,873.28 × 570,780.42
  4. Step 4: Simplify right side
    1,029,670.26x = 811,006,647,525.18
  5. Step 5: Solve for x
    x = 811,006,647,525.18/1,029,670.26
  6. Step 6: Final answer
    x = 787,637.25

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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.