Home / 1,225,621.38-1,690,666.77-735,464.10

Finding the Fourth Proportional to 1,225,621.38, 1,690,666.77 and 735,464.10

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Solution

The fourth proportional to 1,225,621.38, 1,690,666.77 and 735,464.10 is: 1,014,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,621.38 : 1,690,666.77 = 735,464.10 : x
  2. Step 2: Convert to fraction form
    1,225,621.38/1,690,666.77 = 735,464.10/x
  3. Step 3: Cross multiply
    1,225,621.38x = 1,690,666.77 × 735,464.10
  4. Step 4: Simplify right side
    1,225,621.38x = 1,243,424,714,397.96
  5. Step 5: Solve for x
    x = 1,243,424,714,397.96/1,225,621.38
  6. Step 6: Final answer
    x = 1,014,525.97

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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.