Home / 1,365,478.85-2,048,036.04-405,916.47

Finding the Fourth Proportional to 1,365,478.85, 2,048,036.04 and 405,916.47

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Solution

The fourth proportional to 1,365,478.85, 2,048,036.04 and 405,916.47 is: 608,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,478.85 : 2,048,036.04 = 405,916.47 : x
  2. Step 2: Convert to fraction form
    1,365,478.85/2,048,036.04 = 405,916.47/x
  3. Step 3: Cross multiply
    1,365,478.85x = 2,048,036.04 × 405,916.47
  4. Step 4: Simplify right side
    1,365,478.85x = 831,331,559,789.58
  5. Step 5: Solve for x
    x = 831,331,559,789.58/1,365,478.85
  6. Step 6: Final answer
    x = 608,820.53

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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.