Home / 1,430,042.40-2,144,480.40-482,925.60

Finding the Fourth Proportional to 1,430,042.40, 2,144,480.40 and 482,925.60

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Solution

The fourth proportional to 1,430,042.40, 2,144,480.40 and 482,925.60 is: 724,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,042.40 : 2,144,480.40 = 482,925.60 : x
  2. Step 2: Convert to fraction form
    1,430,042.40/2,144,480.40 = 482,925.60/x
  3. Step 3: Cross multiply
    1,430,042.40x = 2,144,480.40 × 482,925.60
  4. Step 4: Simplify right side
    1,430,042.40x = 1,035,624,483,858.24
  5. Step 5: Solve for x
    x = 1,035,624,483,858.24/1,430,042.40
  6. Step 6: Final answer
    x = 724,191.45

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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.