Home / 907,564.40-1,361,346.60-783,148.40

Finding the Fourth Proportional to 907,564.40, 1,361,346.60 and 783,148.40

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Solution

The fourth proportional to 907,564.40, 1,361,346.60 and 783,148.40 is: 1,174,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,564.40 : 1,361,346.60 = 783,148.40 : x
  2. Step 2: Convert to fraction form
    907,564.40/1,361,346.60 = 783,148.40/x
  3. Step 3: Cross multiply
    907,564.40x = 1,361,346.60 × 783,148.40
  4. Step 4: Simplify right side
    907,564.40x = 1,066,136,411,635.44
  5. Step 5: Solve for x
    x = 1,066,136,411,635.44/907,564.40
  6. Step 6: Final answer
    x = 1,174,722.60

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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.