Home / 1,275,674.45-1,912,888.04-556,623.81

Finding the Fourth Proportional to 1,275,674.45, 1,912,888.04 and 556,623.81

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Solution

The fourth proportional to 1,275,674.45, 1,912,888.04 and 556,623.81 is: 834,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,674.45 : 1,912,888.04 = 556,623.81 : x
  2. Step 2: Convert to fraction form
    1,275,674.45/1,912,888.04 = 556,623.81/x
  3. Step 3: Cross multiply
    1,275,674.45x = 1,912,888.04 × 556,623.81
  4. Step 4: Simplify right side
    1,275,674.45x = 1,064,759,026,145.11
  5. Step 5: Solve for x
    x = 1,064,759,026,145.11/1,275,674.45
  6. Step 6: Final answer
    x = 834,663.60

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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.