Home / 1,424,898.02-2,137,351.32-345,406.30

Finding the Fourth Proportional to 1,424,898.02, 2,137,351.32 and 345,406.30

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Solution

The fourth proportional to 1,424,898.02, 2,137,351.32 and 345,406.30 is: 518,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,898.02 : 2,137,351.32 = 345,406.30 : x
  2. Step 2: Convert to fraction form
    1,424,898.02/2,137,351.32 = 345,406.30/x
  3. Step 3: Cross multiply
    1,424,898.02x = 2,137,351.32 × 345,406.30
  4. Step 4: Simplify right side
    1,424,898.02x = 738,254,605,897.94
  5. Step 5: Solve for x
    x = 738,254,605,897.94/1,424,898.02
  6. Step 6: Final answer
    x = 518,110.49

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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.