Home / 1,771,214.40-2,656,821.60-826,430.40

Finding the Fourth Proportional to 1,771,214.40, 2,656,821.60 and 826,430.40

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Solution

The fourth proportional to 1,771,214.40, 2,656,821.60 and 826,430.40 is: 1,239,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,214.40 : 2,656,821.60 = 826,430.40 : x
  2. Step 2: Convert to fraction form
    1,771,214.40/2,656,821.60 = 826,430.40/x
  3. Step 3: Cross multiply
    1,771,214.40x = 2,656,821.60 × 826,430.40
  4. Step 4: Simplify right side
    1,771,214.40x = 2,195,678,137,616.64
  5. Step 5: Solve for x
    x = 2,195,678,137,616.64/1,771,214.40
  6. Step 6: Final answer
    x = 1,239,645.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.