Home / 1,293,903.42-1,785,562.95-720,931.26

Finding the Fourth Proportional to 1,293,903.42, 1,785,562.95 and 720,931.26

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Solution

The fourth proportional to 1,293,903.42, 1,785,562.95 and 720,931.26 is: 994,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,903.42 : 1,785,562.95 = 720,931.26 : x
  2. Step 2: Convert to fraction form
    1,293,903.42/1,785,562.95 = 720,931.26/x
  3. Step 3: Cross multiply
    1,293,903.42x = 1,785,562.95 × 720,931.26
  4. Step 4: Simplify right side
    1,293,903.42x = 1,287,268,147,352.82
  5. Step 5: Solve for x
    x = 1,287,268,147,352.82/1,293,903.42
  6. Step 6: Final answer
    x = 994,871.89

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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.