Home / 1,514,765.52-2,090,561.40-870,184.32

Finding the Fourth Proportional to 1,514,765.52, 2,090,561.40 and 870,184.32

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Solution

The fourth proportional to 1,514,765.52, 2,090,561.40 and 870,184.32 is: 1,200,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,765.52 : 2,090,561.40 = 870,184.32 : x
  2. Step 2: Convert to fraction form
    1,514,765.52/2,090,561.40 = 870,184.32/x
  3. Step 3: Cross multiply
    1,514,765.52x = 2,090,561.40 × 870,184.32
  4. Step 4: Simplify right side
    1,514,765.52x = 1,819,173,750,277.25
  5. Step 5: Solve for x
    x = 1,819,173,750,277.25/1,514,765.52
  6. Step 6: Final answer
    x = 1,200,960.63

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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.