Home / 1,402,331.27-2,101,836.13-643,533.14

Finding the Fourth Proportional to 1,402,331.27, 2,101,836.13 and 643,533.14

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Solution

The fourth proportional to 1,402,331.27, 2,101,836.13 and 643,533.14 is: 964,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,331.27 : 2,101,836.13 = 643,533.14 : x
  2. Step 2: Convert to fraction form
    1,402,331.27/2,101,836.13 = 643,533.14/x
  3. Step 3: Cross multiply
    1,402,331.27x = 2,101,836.13 × 643,533.14
  4. Step 4: Simplify right side
    1,402,331.27x = 1,352,601,208,150.11
  5. Step 5: Solve for x
    x = 1,352,601,208,150.11/1,402,331.27
  6. Step 6: Final answer
    x = 964,537.58

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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.