Home / 1,585,246.20-2,375,147.70-742,068.60

Finding the Fourth Proportional to 1,585,246.20, 2,375,147.70 and 742,068.60

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Solution

The fourth proportional to 1,585,246.20, 2,375,147.70 and 742,068.60 is: 1,111,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,246.20 : 2,375,147.70 = 742,068.60 : x
  2. Step 2: Convert to fraction form
    1,585,246.20/2,375,147.70 = 742,068.60/x
  3. Step 3: Cross multiply
    1,585,246.20x = 2,375,147.70 × 742,068.60
  4. Step 4: Simplify right side
    1,585,246.20x = 1,762,522,528,532.22
  5. Step 5: Solve for x
    x = 1,762,522,528,532.22/1,585,246.20
  6. Step 6: Final answer
    x = 1,111,828.89

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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.