Home / 1,272,582.40-1,756,164.80-699,632.32

Finding the Fourth Proportional to 1,272,582.40, 1,756,164.80 and 699,632.32

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Solution

The fourth proportional to 1,272,582.40, 1,756,164.80 and 699,632.32 is: 965,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,582.40 : 1,756,164.80 = 699,632.32 : x
  2. Step 2: Convert to fraction form
    1,272,582.40/1,756,164.80 = 699,632.32/x
  3. Step 3: Cross multiply
    1,272,582.40x = 1,756,164.80 × 699,632.32
  4. Step 4: Simplify right side
    1,272,582.40x = 1,228,669,653,326.34
  5. Step 5: Solve for x
    x = 1,228,669,653,326.34/1,272,582.40
  6. Step 6: Final answer
    x = 965,493.20

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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.