Home / 1,513,271.82-2,088,898.02-1,108,587.81

Finding the Fourth Proportional to 1,513,271.82, 2,088,898.02 and 1,108,587.81

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Solution

The fourth proportional to 1,513,271.82, 2,088,898.02 and 1,108,587.81 is: 1,530,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,271.82 : 2,088,898.02 = 1,108,587.81 : x
  2. Step 2: Convert to fraction form
    1,513,271.82/2,088,898.02 = 1,108,587.81/x
  3. Step 3: Cross multiply
    1,513,271.82x = 2,088,898.02 × 1,108,587.81
  4. Step 4: Simplify right side
    1,513,271.82x = 2,315,726,881,305.14
  5. Step 5: Solve for x
    x = 2,315,726,881,305.14/1,513,271.82
  6. Step 6: Final answer
    x = 1,530,278.20

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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.