Home / 1,357,308.43-1,872,616.85-867,564.41

Finding the Fourth Proportional to 1,357,308.43, 1,872,616.85 and 867,564.41

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Solution

The fourth proportional to 1,357,308.43, 1,872,616.85 and 867,564.41 is: 1,196,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,308.43 : 1,872,616.85 = 867,564.41 : x
  2. Step 2: Convert to fraction form
    1,357,308.43/1,872,616.85 = 867,564.41/x
  3. Step 3: Cross multiply
    1,357,308.43x = 1,872,616.85 × 867,564.41
  4. Step 4: Simplify right side
    1,357,308.43x = 1,624,615,723,263.22
  5. Step 5: Solve for x
    x = 1,624,615,723,263.22/1,357,308.43
  6. Step 6: Final answer
    x = 1,196,939.25

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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.