Home / 1,310,709.21-1,963,545.01-803,792.01

Finding the Fourth Proportional to 1,310,709.21, 1,963,545.01 and 803,792.01

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Solution

The fourth proportional to 1,310,709.21, 1,963,545.01 and 803,792.01 is: 1,204,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,709.21 : 1,963,545.01 = 803,792.01 : x
  2. Step 2: Convert to fraction form
    1,310,709.21/1,963,545.01 = 803,792.01/x
  3. Step 3: Cross multiply
    1,310,709.21x = 1,963,545.01 × 803,792.01
  4. Step 4: Simplify right side
    1,310,709.21x = 1,578,281,786,294.41
  5. Step 5: Solve for x
    x = 1,578,281,786,294.41/1,310,709.21
  6. Step 6: Final answer
    x = 1,204,143.36

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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.