Home / 1,097,534.80-1,645,179.54-742,586.32

Finding the Fourth Proportional to 1,097,534.80, 1,645,179.54 and 742,586.32

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Solution

The fourth proportional to 1,097,534.80, 1,645,179.54 and 742,586.32 is: 1,113,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,534.80 : 1,645,179.54 = 742,586.32 : x
  2. Step 2: Convert to fraction form
    1,097,534.80/1,645,179.54 = 742,586.32/x
  3. Step 3: Cross multiply
    1,097,534.80x = 1,645,179.54 × 742,586.32
  4. Step 4: Simplify right side
    1,097,534.80x = 1,221,687,820,347.89
  5. Step 5: Solve for x
    x = 1,221,687,820,347.89/1,097,534.80
  6. Step 6: Final answer
    x = 1,113,119.89

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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.