Home / 1,111,442.04-1,666,969.62-312,533.88

Finding the Fourth Proportional to 1,111,442.04, 1,666,969.62 and 312,533.88

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Solution

The fourth proportional to 1,111,442.04, 1,666,969.62 and 312,533.88 is: 468,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,442.04 : 1,666,969.62 = 312,533.88 : x
  2. Step 2: Convert to fraction form
    1,111,442.04/1,666,969.62 = 312,533.88/x
  3. Step 3: Cross multiply
    1,111,442.04x = 1,666,969.62 × 312,533.88
  4. Step 4: Simplify right side
    1,111,442.04x = 520,984,483,180.73
  5. Step 5: Solve for x
    x = 520,984,483,180.73/1,111,442.04
  6. Step 6: Final answer
    x = 468,746.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.