Home / 1,108,674.90-1,663,668.45-730,688.40

Finding the Fourth Proportional to 1,108,674.90, 1,663,668.45 and 730,688.40

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Solution

The fourth proportional to 1,108,674.90, 1,663,668.45 and 730,688.40 is: 1,096,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,674.90 : 1,663,668.45 = 730,688.40 : x
  2. Step 2: Convert to fraction form
    1,108,674.90/1,663,668.45 = 730,688.40/x
  3. Step 3: Cross multiply
    1,108,674.90x = 1,663,668.45 × 730,688.40
  4. Step 4: Simplify right side
    1,108,674.90x = 1,215,623,237,860.98
  5. Step 5: Solve for x
    x = 1,215,623,237,860.98/1,108,674.90
  6. Step 6: Final answer
    x = 1,096,465.01

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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.