Home / 1,307,451.17-1,961,289.45-360,821.89

Finding the Fourth Proportional to 1,307,451.17, 1,961,289.45 and 360,821.89

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Solution

The fourth proportional to 1,307,451.17, 1,961,289.45 and 360,821.89 is: 541,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,451.17 : 1,961,289.45 = 360,821.89 : x
  2. Step 2: Convert to fraction form
    1,307,451.17/1,961,289.45 = 360,821.89/x
  3. Step 3: Cross multiply
    1,307,451.17x = 1,961,289.45 × 360,821.89
  4. Step 4: Simplify right side
    1,307,451.17x = 707,676,168,637.67
  5. Step 5: Solve for x
    x = 707,676,168,637.67/1,307,451.17
  6. Step 6: Final answer
    x = 541,263.94

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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.