Home / 1,315,581.36-1,973,974.68-715,643.52

Finding the Fourth Proportional to 1,315,581.36, 1,973,974.68 and 715,643.52

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Solution

The fourth proportional to 1,315,581.36, 1,973,974.68 and 715,643.52 is: 1,073,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,581.36 : 1,973,974.68 = 715,643.52 : x
  2. Step 2: Convert to fraction form
    1,315,581.36/1,973,974.68 = 715,643.52/x
  3. Step 3: Cross multiply
    1,315,581.36x = 1,973,974.68 × 715,643.52
  4. Step 4: Simplify right side
    1,315,581.36x = 1,412,662,188,386.07
  5. Step 5: Solve for x
    x = 1,412,662,188,386.07/1,315,581.36
  6. Step 6: Final answer
    x = 1,073,793.10

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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.