Home / 1,664,743.30-2,497,114.95-542,812.30

Finding the Fourth Proportional to 1,664,743.30, 2,497,114.95 and 542,812.30

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Solution

The fourth proportional to 1,664,743.30, 2,497,114.95 and 542,812.30 is: 814,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,743.30 : 2,497,114.95 = 542,812.30 : x
  2. Step 2: Convert to fraction form
    1,664,743.30/2,497,114.95 = 542,812.30/x
  3. Step 3: Cross multiply
    1,664,743.30x = 2,497,114.95 × 542,812.30
  4. Step 4: Simplify right side
    1,664,743.30x = 1,355,464,709,373.89
  5. Step 5: Solve for x
    x = 1,355,464,709,373.89/1,664,743.30
  6. Step 6: Final answer
    x = 814,218.45

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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.