Home / 773,109.10-1,159,663.65-720,621.10

Finding the Fourth Proportional to 773,109.10, 1,159,663.65 and 720,621.10

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Solution

The fourth proportional to 773,109.10, 1,159,663.65 and 720,621.10 is: 1,080,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,109.10 : 1,159,663.65 = 720,621.10 : x
  2. Step 2: Convert to fraction form
    773,109.10/1,159,663.65 = 720,621.10/x
  3. Step 3: Cross multiply
    773,109.10x = 1,159,663.65 × 720,621.10
  4. Step 4: Simplify right side
    773,109.10x = 835,678,095,093.02
  5. Step 5: Solve for x
    x = 835,678,095,093.02/773,109.10
  6. Step 6: Final answer
    x = 1,080,931.65

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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.