Home / 1,640,246.60-2,460,369.90-458,294.60

Finding the Fourth Proportional to 1,640,246.60, 2,460,369.90 and 458,294.60

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Solution

The fourth proportional to 1,640,246.60, 2,460,369.90 and 458,294.60 is: 687,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,246.60 : 2,460,369.90 = 458,294.60 : x
  2. Step 2: Convert to fraction form
    1,640,246.60/2,460,369.90 = 458,294.60/x
  3. Step 3: Cross multiply
    1,640,246.60x = 2,460,369.90 × 458,294.60
  4. Step 4: Simplify right side
    1,640,246.60x = 1,127,574,239,172.54
  5. Step 5: Solve for x
    x = 1,127,574,239,172.54/1,640,246.60
  6. Step 6: Final answer
    x = 687,441.90

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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.