Home / 1,009,940.69-1,392,457.50-646,767.47

Finding the Fourth Proportional to 1,009,940.69, 1,392,457.50 and 646,767.47

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Solution

The fourth proportional to 1,009,940.69, 1,392,457.50 and 646,767.47 is: 891,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,940.69 : 1,392,457.50 = 646,767.47 : x
  2. Step 2: Convert to fraction form
    1,009,940.69/1,392,457.50 = 646,767.47/x
  3. Step 3: Cross multiply
    1,009,940.69x = 1,392,457.50 × 646,767.47
  4. Step 4: Simplify right side
    1,009,940.69x = 900,596,207,395.24
  5. Step 5: Solve for x
    x = 900,596,207,395.24/1,009,940.69
  6. Step 6: Final answer
    x = 891,731.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.