Home / 1,367,056.20-1,872,835.89-1,315,943.40

Finding the Fourth Proportional to 1,367,056.20, 1,872,835.89 and 1,315,943.40

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Solution

The fourth proportional to 1,367,056.20, 1,872,835.89 and 1,315,943.40 is: 1,802,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,056.20 : 1,872,835.89 = 1,315,943.40 : x
  2. Step 2: Convert to fraction form
    1,367,056.20/1,872,835.89 = 1,315,943.40/x
  3. Step 3: Cross multiply
    1,367,056.20x = 1,872,835.89 × 1,315,943.40
  4. Step 4: Simplify right side
    1,367,056.20x = 2,464,546,028,728.63
  5. Step 5: Solve for x
    x = 2,464,546,028,728.63/1,367,056.20
  6. Step 6: Final answer
    x = 1,802,812.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.