Home / 1,107,606.36-1,655,339.76-808,716.36

Finding the Fourth Proportional to 1,107,606.36, 1,655,339.76 and 808,716.36

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Solution

The fourth proportional to 1,107,606.36, 1,655,339.76 and 808,716.36 is: 1,208,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,606.36 : 1,655,339.76 = 808,716.36 : x
  2. Step 2: Convert to fraction form
    1,107,606.36/1,655,339.76 = 808,716.36/x
  3. Step 3: Cross multiply
    1,107,606.36x = 1,655,339.76 × 808,716.36
  4. Step 4: Simplify right side
    1,107,606.36x = 1,338,700,345,270.47
  5. Step 5: Solve for x
    x = 1,338,700,345,270.47/1,107,606.36
  6. Step 6: Final answer
    x = 1,208,642.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.