Home / 1,458,029.25-2,012,138.69-813,505.77

Finding the Fourth Proportional to 1,458,029.25, 2,012,138.69 and 813,505.77

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Solution

The fourth proportional to 1,458,029.25, 2,012,138.69 and 813,505.77 is: 1,122,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,029.25 : 2,012,138.69 = 813,505.77 : x
  2. Step 2: Convert to fraction form
    1,458,029.25/2,012,138.69 = 813,505.77/x
  3. Step 3: Cross multiply
    1,458,029.25x = 2,012,138.69 × 813,505.77
  4. Step 4: Simplify right side
    1,458,029.25x = 1,636,886,430,287.71
  5. Step 5: Solve for x
    x = 1,636,886,430,287.71/1,458,029.25
  6. Step 6: Final answer
    x = 1,122,670.50

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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.