Home / 1,458,214.36-2,012,341.38-813,661.72

Finding the Fourth Proportional to 1,458,214.36, 2,012,341.38 and 813,661.72

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Solution

The fourth proportional to 1,458,214.36, 2,012,341.38 and 813,661.72 is: 1,122,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,214.36 : 2,012,341.38 = 813,661.72 : x
  2. Step 2: Convert to fraction form
    1,458,214.36/2,012,341.38 = 813,661.72/x
  3. Step 3: Cross multiply
    1,458,214.36x = 2,012,341.38 × 813,661.72
  4. Step 4: Simplify right side
    1,458,214.36x = 1,637,365,148,477.97
  5. Step 5: Solve for x
    x = 1,637,365,148,477.97/1,458,214.36
  6. Step 6: Final answer
    x = 1,122,856.28

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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.