Home / 1,514,887.50-2,090,611.47-870,509.82

Finding the Fourth Proportional to 1,514,887.50, 2,090,611.47 and 870,509.82

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Solution

The fourth proportional to 1,514,887.50, 2,090,611.47 and 870,509.82 is: 1,201,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,887.50 : 2,090,611.47 = 870,509.82 : x
  2. Step 2: Convert to fraction form
    1,514,887.50/2,090,611.47 = 870,509.82/x
  3. Step 3: Cross multiply
    1,514,887.50x = 2,090,611.47 × 870,509.82
  4. Step 4: Simplify right side
    1,514,887.50x = 1,819,897,814,439.64
  5. Step 5: Solve for x
    x = 1,819,897,814,439.64/1,514,887.50
  6. Step 6: Final answer
    x = 1,201,341.89

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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.