Home / 1,447,039.47-1,996,979.00-802,416.36

Finding the Fourth Proportional to 1,447,039.47, 1,996,979.00 and 802,416.36

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Solution

The fourth proportional to 1,447,039.47, 1,996,979.00 and 802,416.36 is: 1,107,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,039.47 : 1,996,979.00 = 802,416.36 : x
  2. Step 2: Convert to fraction form
    1,447,039.47/1,996,979.00 = 802,416.36/x
  3. Step 3: Cross multiply
    1,447,039.47x = 1,996,979.00 × 802,416.36
  4. Step 4: Simplify right side
    1,447,039.47x = 1,602,408,612,197.59
  5. Step 5: Solve for x
    x = 1,602,408,612,197.59/1,447,039.47
  6. Step 6: Final answer
    x = 1,107,370.36

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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.