Home / 1,315,582.36-1,973,976.18-715,644.52

Finding the Fourth Proportional to 1,315,582.36, 1,973,976.18 and 715,644.52

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Solution

The fourth proportional to 1,315,582.36, 1,973,976.18 and 715,644.52 is: 1,073,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,582.36 : 1,973,976.18 = 715,644.52 : x
  2. Step 2: Convert to fraction form
    1,315,582.36/1,973,976.18 = 715,644.52/x
  3. Step 3: Cross multiply
    1,315,582.36x = 1,973,976.18 × 715,644.52
  4. Step 4: Simplify right side
    1,315,582.36x = 1,412,665,235,827.53
  5. Step 5: Solve for x
    x = 1,412,665,235,827.53/1,315,582.36
  6. Step 6: Final answer
    x = 1,073,794.60

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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.