Home / 1,487,400.77-2,052,534.51-842,828.69

Finding the Fourth Proportional to 1,487,400.77, 2,052,534.51 and 842,828.69

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Solution

The fourth proportional to 1,487,400.77, 2,052,534.51 and 842,828.69 is: 1,163,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,400.77 : 2,052,534.51 = 842,828.69 : x
  2. Step 2: Convert to fraction form
    1,487,400.77/2,052,534.51 = 842,828.69/x
  3. Step 3: Cross multiply
    1,487,400.77x = 2,052,534.51 × 842,828.69
  4. Step 4: Simplify right side
    1,487,400.77x = 1,729,934,968,028.95
  5. Step 5: Solve for x
    x = 1,729,934,968,028.95/1,487,400.77
  6. Step 6: Final answer
    x = 1,163,059.08

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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.