Home / 1,294,846.64-1,938,505.57-753,452.91

Finding the Fourth Proportional to 1,294,846.64, 1,938,505.57 and 753,452.91

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Solution

The fourth proportional to 1,294,846.64, 1,938,505.57 and 753,452.91 is: 1,127,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,846.64 : 1,938,505.57 = 753,452.91 : x
  2. Step 2: Convert to fraction form
    1,294,846.64/1,938,505.57 = 753,452.91/x
  3. Step 3: Cross multiply
    1,294,846.64x = 1,938,505.57 × 753,452.91
  4. Step 4: Simplify right side
    1,294,846.64x = 1,460,572,666,336.12
  5. Step 5: Solve for x
    x = 1,460,572,666,336.12/1,294,846.64
  6. Step 6: Final answer
    x = 1,127,988.93

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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.