Home / 1,342,633.90-2,013,950.85-811,792.30

Finding the Fourth Proportional to 1,342,633.90, 2,013,950.85 and 811,792.30

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Solution

The fourth proportional to 1,342,633.90, 2,013,950.85 and 811,792.30 is: 1,217,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,633.90 : 2,013,950.85 = 811,792.30 : x
  2. Step 2: Convert to fraction form
    1,342,633.90/2,013,950.85 = 811,792.30/x
  3. Step 3: Cross multiply
    1,342,633.90x = 2,013,950.85 × 811,792.30
  4. Step 4: Simplify right side
    1,342,633.90x = 1,634,909,792,608.46
  5. Step 5: Solve for x
    x = 1,634,909,792,608.46/1,342,633.90
  6. Step 6: Final answer
    x = 1,217,688.45

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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.