Home / 1,030,580.14-1,422,214.62-771,998.98

Finding the Fourth Proportional to 1,030,580.14, 1,422,214.62 and 771,998.98

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Solution

The fourth proportional to 1,030,580.14, 1,422,214.62 and 771,998.98 is: 1,065,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,580.14 : 1,422,214.62 = 771,998.98 : x
  2. Step 2: Convert to fraction form
    1,030,580.14/1,422,214.62 = 771,998.98/x
  3. Step 3: Cross multiply
    1,030,580.14x = 1,422,214.62 × 771,998.98
  4. Step 4: Simplify right side
    1,030,580.14x = 1,097,948,235,981.09
  5. Step 5: Solve for x
    x = 1,097,948,235,981.09/1,030,580.14
  6. Step 6: Final answer
    x = 1,065,369.10

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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.