Home / 1,514,905.12-2,090,671.50-870,582.16

Finding the Fourth Proportional to 1,514,905.12, 2,090,671.50 and 870,582.16

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Solution

The fourth proportional to 1,514,905.12, 2,090,671.50 and 870,582.16 is: 1,201,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,905.12 : 2,090,671.50 = 870,582.16 : x
  2. Step 2: Convert to fraction form
    1,514,905.12/2,090,671.50 = 870,582.16/x
  3. Step 3: Cross multiply
    1,514,905.12x = 2,090,671.50 × 870,582.16
  4. Step 4: Simplify right side
    1,514,905.12x = 1,820,101,308,358.44
  5. Step 5: Solve for x
    x = 1,820,101,308,358.44/1,514,905.12
  6. Step 6: Final answer
    x = 1,201,462.25

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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.