Home / 1,555,688.70-2,330,908.65-755,246.70

Finding the Fourth Proportional to 1,555,688.70, 2,330,908.65 and 755,246.70

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Solution

The fourth proportional to 1,555,688.70, 2,330,908.65 and 755,246.70 is: 1,131,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,688.70 : 2,330,908.65 = 755,246.70 : x
  2. Step 2: Convert to fraction form
    1,555,688.70/2,330,908.65 = 755,246.70/x
  3. Step 3: Cross multiply
    1,555,688.70x = 2,330,908.65 × 755,246.70
  4. Step 4: Simplify right side
    1,555,688.70x = 1,760,411,065,913.95
  5. Step 5: Solve for x
    x = 1,760,411,065,913.95/1,555,688.70
  6. Step 6: Final answer
    x = 1,131,595.97

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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.