Home / 1,246,870.45-1,720,646.71-703,001.42

Finding the Fourth Proportional to 1,246,870.45, 1,720,646.71 and 703,001.42

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Solution

The fourth proportional to 1,246,870.45, 1,720,646.71 and 703,001.42 is: 970,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,870.45 : 1,720,646.71 = 703,001.42 : x
  2. Step 2: Convert to fraction form
    1,246,870.45/1,720,646.71 = 703,001.42/x
  3. Step 3: Cross multiply
    1,246,870.45x = 1,720,646.71 × 703,001.42
  4. Step 4: Simplify right side
    1,246,870.45x = 1,209,617,080,448.33
  5. Step 5: Solve for x
    x = 1,209,617,080,448.33/1,246,870.45
  6. Step 6: Final answer
    x = 970,122.50

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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.