Home / 1,204,430.05-1,662,108.69-660,551.50

Finding the Fourth Proportional to 1,204,430.05, 1,662,108.69 and 660,551.50

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Solution

The fourth proportional to 1,204,430.05, 1,662,108.69 and 660,551.50 is: 911,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,430.05 : 1,662,108.69 = 660,551.50 : x
  2. Step 2: Convert to fraction form
    1,204,430.05/1,662,108.69 = 660,551.50/x
  3. Step 3: Cross multiply
    1,204,430.05x = 1,662,108.69 × 660,551.50
  4. Step 4: Simplify right side
    1,204,430.05x = 1,097,908,388,342.53
  5. Step 5: Solve for x
    x = 1,097,908,388,342.53/1,204,430.05
  6. Step 6: Final answer
    x = 911,558.45

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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.