Home / 826,006.12-1,238,746.65-561,466.60

Finding the Fourth Proportional to 826,006.12, 1,238,746.65 and 561,466.60

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Solution

The fourth proportional to 826,006.12, 1,238,746.65 and 561,466.60 is: 842,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,006.12 : 1,238,746.65 = 561,466.60 : x
  2. Step 2: Convert to fraction form
    826,006.12/1,238,746.65 = 561,466.60/x
  3. Step 3: Cross multiply
    826,006.12x = 1,238,746.65 × 561,466.60
  4. Step 4: Simplify right side
    826,006.12x = 695,514,869,836.89
  5. Step 5: Solve for x
    x = 695,514,869,836.89/826,006.12
  6. Step 6: Final answer
    x = 842,021.45

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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.