Home / 1,514,905.50-2,090,672.03-870,582.54

Finding the Fourth Proportional to 1,514,905.50, 2,090,672.03 and 870,582.54

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Solution

The fourth proportional to 1,514,905.50, 2,090,672.03 and 870,582.54 is: 1,201,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,905.50 : 2,090,672.03 = 870,582.54 : x
  2. Step 2: Convert to fraction form
    1,514,905.50/2,090,672.03 = 870,582.54/x
  3. Step 3: Cross multiply
    1,514,905.50x = 2,090,672.03 × 870,582.54
  4. Step 4: Simplify right side
    1,514,905.50x = 1,820,102,551,378.08
  5. Step 5: Solve for x
    x = 1,820,102,551,378.08/1,514,905.50
  6. Step 6: Final answer
    x = 1,201,462.77

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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.