Home / 1,437,506.40-2,155,628.04-538,317.48

Finding the Fourth Proportional to 1,437,506.40, 2,155,628.04 and 538,317.48

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Solution

The fourth proportional to 1,437,506.40, 2,155,628.04 and 538,317.48 is: 807,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,506.40 : 2,155,628.04 = 538,317.48 : x
  2. Step 2: Convert to fraction form
    1,437,506.40/2,155,628.04 = 538,317.48/x
  3. Step 3: Cross multiply
    1,437,506.40x = 2,155,628.04 × 538,317.48
  4. Step 4: Simplify right side
    1,437,506.40x = 1,160,412,254,310.14
  5. Step 5: Solve for x
    x = 1,160,412,254,310.14/1,437,506.40
  6. Step 6: Final answer
    x = 807,239.71

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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.