Home / 1,488,774.93-2,234,080.93-689,907.57

Finding the Fourth Proportional to 1,488,774.93, 2,234,080.93 and 689,907.57

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Solution

The fourth proportional to 1,488,774.93, 2,234,080.93 and 689,907.57 is: 1,035,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,774.93 : 2,234,080.93 = 689,907.57 : x
  2. Step 2: Convert to fraction form
    1,488,774.93/2,234,080.93 = 689,907.57/x
  3. Step 3: Cross multiply
    1,488,774.93x = 2,234,080.93 × 689,907.57
  4. Step 4: Simplify right side
    1,488,774.93x = 1,541,309,334,429.24
  5. Step 5: Solve for x
    x = 1,541,309,334,429.24/1,488,774.93
  6. Step 6: Final answer
    x = 1,035,287.01

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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.