Home / 1,688,989.13-2,534,523.55-664,139.06

Finding the Fourth Proportional to 1,688,989.13, 2,534,523.55 and 664,139.06

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Solution

The fourth proportional to 1,688,989.13, 2,534,523.55 and 664,139.06 is: 996,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,989.13 : 2,534,523.55 = 664,139.06 : x
  2. Step 2: Convert to fraction form
    1,688,989.13/2,534,523.55 = 664,139.06/x
  3. Step 3: Cross multiply
    1,688,989.13x = 2,534,523.55 × 664,139.06
  4. Step 4: Simplify right side
    1,688,989.13x = 1,683,276,088,044.86
  5. Step 5: Solve for x
    x = 1,683,276,088,044.86/1,688,989.13
  6. Step 6: Final answer
    x = 996,617.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.