Home / 1,312,700.69-1,969,383.14-366,071.51

Finding the Fourth Proportional to 1,312,700.69, 1,969,383.14 and 366,071.51

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Solution

The fourth proportional to 1,312,700.69, 1,969,383.14 and 366,071.51 is: 549,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,700.69 : 1,969,383.14 = 366,071.51 : x
  2. Step 2: Convert to fraction form
    1,312,700.69/1,969,383.14 = 366,071.51/x
  3. Step 3: Cross multiply
    1,312,700.69x = 1,969,383.14 × 366,071.51
  4. Step 4: Simplify right side
    1,312,700.69x = 720,935,053,074.53
  5. Step 5: Solve for x
    x = 720,935,053,074.53/1,312,700.69
  6. Step 6: Final answer
    x = 549,199.87

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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.