Home / 1,453,059.90-2,178,605.70-742,503.60

Finding the Fourth Proportional to 1,453,059.90, 2,178,605.70 and 742,503.60

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Solution

The fourth proportional to 1,453,059.90, 2,178,605.70 and 742,503.60 is: 1,113,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,059.90 : 2,178,605.70 = 742,503.60 : x
  2. Step 2: Convert to fraction form
    1,453,059.90/2,178,605.70 = 742,503.60/x
  3. Step 3: Cross multiply
    1,453,059.90x = 2,178,605.70 × 742,503.60
  4. Step 4: Simplify right side
    1,453,059.90x = 1,617,622,575,230.52
  5. Step 5: Solve for x
    x = 1,617,622,575,230.52/1,453,059.90
  6. Step 6: Final answer
    x = 1,113,252.51

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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.