Home / 1,514,904.68-2,090,670.90-870,581.72

Finding the Fourth Proportional to 1,514,904.68, 2,090,670.90 and 870,581.72

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Solution

The fourth proportional to 1,514,904.68, 2,090,670.90 and 870,581.72 is: 1,201,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,904.68 : 2,090,670.90 = 870,581.72 : x
  2. Step 2: Convert to fraction form
    1,514,904.68/2,090,670.90 = 870,581.72/x
  3. Step 3: Cross multiply
    1,514,904.68x = 2,090,670.90 × 870,581.72
  4. Step 4: Simplify right side
    1,514,904.68x = 1,820,099,868,075.95
  5. Step 5: Solve for x
    x = 1,820,099,868,075.95/1,514,904.68
  6. Step 6: Final answer
    x = 1,201,461.64

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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.