Home / 1,514,858.40-2,090,689.79-870,277.41

Finding the Fourth Proportional to 1,514,858.40, 2,090,689.79 and 870,277.41

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Solution

The fourth proportional to 1,514,858.40, 2,090,689.79 and 870,277.41 is: 1,201,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,858.40 : 2,090,689.79 = 870,277.41 : x
  2. Step 2: Convert to fraction form
    1,514,858.40/2,090,689.79 = 870,277.41/x
  3. Step 3: Cross multiply
    1,514,858.40x = 2,090,689.79 × 870,277.41
  4. Step 4: Simplify right side
    1,514,858.40x = 1,819,480,091,203.26
  5. Step 5: Solve for x
    x = 1,819,480,091,203.26/1,514,858.40
  6. Step 6: Final answer
    x = 1,201,089.22

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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.