Home / 1,240,225.68-1,711,698.48-757,071.84

Finding the Fourth Proportional to 1,240,225.68, 1,711,698.48 and 757,071.84

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Solution

The fourth proportional to 1,240,225.68, 1,711,698.48 and 757,071.84 is: 1,044,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,225.68 : 1,711,698.48 = 757,071.84 : x
  2. Step 2: Convert to fraction form
    1,240,225.68/1,711,698.48 = 757,071.84/x
  3. Step 3: Cross multiply
    1,240,225.68x = 1,711,698.48 × 757,071.84
  4. Step 4: Simplify right side
    1,240,225.68x = 1,295,878,717,778.80
  5. Step 5: Solve for x
    x = 1,295,878,717,778.80/1,240,225.68
  6. Step 6: Final answer
    x = 1,044,873.32

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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.