Home / 1,214,009.40-1,816,866.90-1,064,710.20

Finding the Fourth Proportional to 1,214,009.40, 1,816,866.90 and 1,064,710.20

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Solution

The fourth proportional to 1,214,009.40, 1,816,866.90 and 1,064,710.20 is: 1,593,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,009.40 : 1,816,866.90 = 1,064,710.20 : x
  2. Step 2: Convert to fraction form
    1,214,009.40/1,816,866.90 = 1,064,710.20/x
  3. Step 3: Cross multiply
    1,214,009.40x = 1,816,866.90 × 1,064,710.20
  4. Step 4: Simplify right side
    1,214,009.40x = 1,934,436,720,472.38
  5. Step 5: Solve for x
    x = 1,934,436,720,472.38/1,214,009.40
  6. Step 6: Final answer
    x = 1,593,428.12

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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.