Home / 1,345,048.12-1,856,144.73-733,225.15

Finding the Fourth Proportional to 1,345,048.12, 1,856,144.73 and 733,225.15

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Solution

The fourth proportional to 1,345,048.12, 1,856,144.73 and 733,225.15 is: 1,011,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,048.12 : 1,856,144.73 = 733,225.15 : x
  2. Step 2: Convert to fraction form
    1,345,048.12/1,856,144.73 = 733,225.15/x
  3. Step 3: Cross multiply
    1,345,048.12x = 1,856,144.73 × 733,225.15
  4. Step 4: Simplify right side
    1,345,048.12x = 1,360,971,998,075.96
  5. Step 5: Solve for x
    x = 1,360,971,998,075.96/1,345,048.12
  6. Step 6: Final answer
    x = 1,011,838.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.