Home / 1,182,848.63-1,632,332.54-638,984.39

Finding the Fourth Proportional to 1,182,848.63, 1,632,332.54 and 638,984.39

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Solution

The fourth proportional to 1,182,848.63, 1,632,332.54 and 638,984.39 is: 881,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,848.63 : 1,632,332.54 = 638,984.39 : x
  2. Step 2: Convert to fraction form
    1,182,848.63/1,632,332.54 = 638,984.39/x
  3. Step 3: Cross multiply
    1,182,848.63x = 1,632,332.54 × 638,984.39
  4. Step 4: Simplify right side
    1,182,848.63x = 1,043,035,005,784.85
  5. Step 5: Solve for x
    x = 1,043,035,005,784.85/1,182,848.63
  6. Step 6: Final answer
    x = 881,799.23

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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.