Home / 1,355,717.16-1,869,187.44-992,510.46

Finding the Fourth Proportional to 1,355,717.16, 1,869,187.44 and 992,510.46

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Solution

The fourth proportional to 1,355,717.16, 1,869,187.44 and 992,510.46 is: 1,368,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,717.16 : 1,869,187.44 = 992,510.46 : x
  2. Step 2: Convert to fraction form
    1,355,717.16/1,869,187.44 = 992,510.46/x
  3. Step 3: Cross multiply
    1,355,717.16x = 1,869,187.44 × 992,510.46
  4. Step 4: Simplify right side
    1,355,717.16x = 1,855,188,085,900.62
  5. Step 5: Solve for x
    x = 1,855,188,085,900.62/1,355,717.16
  6. Step 6: Final answer
    x = 1,368,418.24

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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.