Home / 1,514,728.62-2,090,415.60-870,132.24

Finding the Fourth Proportional to 1,514,728.62, 2,090,415.60 and 870,132.24

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Solution

The fourth proportional to 1,514,728.62, 2,090,415.60 and 870,132.24 is: 1,200,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,728.62 : 2,090,415.60 = 870,132.24 : x
  2. Step 2: Convert to fraction form
    1,514,728.62/2,090,415.60 = 870,132.24/x
  3. Step 3: Cross multiply
    1,514,728.62x = 2,090,415.60 × 870,132.24
  4. Step 4: Simplify right side
    1,514,728.62x = 1,818,938,008,558.94
  5. Step 5: Solve for x
    x = 1,818,938,008,558.94/1,514,728.62
  6. Step 6: Final answer
    x = 1,200,834.25

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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.