Home / 1,294,567.10-1,785,771.02-810,291.49

Finding the Fourth Proportional to 1,294,567.10, 1,785,771.02 and 810,291.49

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Solution

The fourth proportional to 1,294,567.10, 1,785,771.02 and 810,291.49 is: 1,117,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,567.10 : 1,785,771.02 = 810,291.49 : x
  2. Step 2: Convert to fraction form
    1,294,567.10/1,785,771.02 = 810,291.49/x
  3. Step 3: Cross multiply
    1,294,567.10x = 1,785,771.02 × 810,291.49
  4. Step 4: Simplify right side
    1,294,567.10x = 1,446,995,060,594.62
  5. Step 5: Solve for x
    x = 1,446,995,060,594.62/1,294,567.10
  6. Step 6: Final answer
    x = 1,117,744.35

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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.