Home / 1,313,751.40-1,969,681.34-807,265.93

Finding the Fourth Proportional to 1,313,751.40, 1,969,681.34 and 807,265.93

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Solution

The fourth proportional to 1,313,751.40, 1,969,681.34 and 807,265.93 is: 1,210,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,751.40 : 1,969,681.34 = 807,265.93 : x
  2. Step 2: Convert to fraction form
    1,313,751.40/1,969,681.34 = 807,265.93/x
  3. Step 3: Cross multiply
    1,313,751.40x = 1,969,681.34 × 807,265.93
  4. Step 4: Simplify right side
    1,313,751.40x = 1,590,056,646,700.22
  5. Step 5: Solve for x
    x = 1,590,056,646,700.22/1,313,751.40
  6. Step 6: Final answer
    x = 1,210,317.75

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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.