Home / 1,514,887-2,090,610.78-870,509.32

Finding the Fourth Proportional to 1,514,887, 2,090,610.78 and 870,509.32

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Solution

The fourth proportional to 1,514,887, 2,090,610.78 and 870,509.32 is: 1,201,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,887 : 2,090,610.78 = 870,509.32 : x
  2. Step 2: Convert to fraction form
    1,514,887/2,090,610.78 = 870,509.32/x
  3. Step 3: Cross multiply
    1,514,887x = 2,090,610.78 × 870,509.32
  4. Step 4: Simplify right side
    1,514,887x = 1,819,896,168,482.47
  5. Step 5: Solve for x
    x = 1,819,896,168,482.47/1,514,887
  6. Step 6: Final answer
    x = 1,201,341.20

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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.