Home / 1,098,904.20-1,648,356.30-459,097.35

Finding the Fourth Proportional to 1,098,904.20, 1,648,356.30 and 459,097.35

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Solution

The fourth proportional to 1,098,904.20, 1,648,356.30 and 459,097.35 is: 688,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,904.20 : 1,648,356.30 = 459,097.35 : x
  2. Step 2: Convert to fraction form
    1,098,904.20/1,648,356.30 = 459,097.35/x
  3. Step 3: Cross multiply
    1,098,904.20x = 1,648,356.30 × 459,097.35
  4. Step 4: Simplify right side
    1,098,904.20x = 756,756,009,185.81
  5. Step 5: Solve for x
    x = 756,756,009,185.81/1,098,904.20
  6. Step 6: Final answer
    x = 688,646.03

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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.