Home / 1,118,752.04-1,679,591.54-664,173.16

Finding the Fourth Proportional to 1,118,752.04, 1,679,591.54 and 664,173.16

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Solution

The fourth proportional to 1,118,752.04, 1,679,591.54 and 664,173.16 is: 997,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,752.04 : 1,679,591.54 = 664,173.16 : x
  2. Step 2: Convert to fraction form
    1,118,752.04/1,679,591.54 = 664,173.16/x
  3. Step 3: Cross multiply
    1,118,752.04x = 1,679,591.54 × 664,173.16
  4. Step 4: Simplify right side
    1,118,752.04x = 1,115,539,620,631.07
  5. Step 5: Solve for x
    x = 1,115,539,620,631.07/1,118,752.04
  6. Step 6: Final answer
    x = 997,128.57

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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.