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Finding the Fourth Proportional to 1,642,690, 2,465,018.04 and 708,802

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Solution

The fourth proportional to 1,642,690, 2,465,018.04 and 708,802 is: 1,063,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,690 : 2,465,018.04 = 708,802 : x
  2. Step 2: Convert to fraction form
    1,642,690/2,465,018.04 = 708,802/x
  3. Step 3: Cross multiply
    1,642,690x = 2,465,018.04 × 708,802
  4. Step 4: Simplify right side
    1,642,690x = 1,747,209,716,788.08
  5. Step 5: Solve for x
    x = 1,747,209,716,788.08/1,642,690
  6. Step 6: Final answer
    x = 1,063,627.17

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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.