Home / 1,117,634.68-1,676,701.98-407,662.72

Finding the Fourth Proportional to 1,117,634.68, 1,676,701.98 and 407,662.72

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Solution

The fourth proportional to 1,117,634.68, 1,676,701.98 and 407,662.72 is: 611,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,634.68 : 1,676,701.98 = 407,662.72 : x
  2. Step 2: Convert to fraction form
    1,117,634.68/1,676,701.98 = 407,662.72/x
  3. Step 3: Cross multiply
    1,117,634.68x = 1,676,701.98 × 407,662.72
  4. Step 4: Simplify right side
    1,117,634.68x = 683,528,879,374.36
  5. Step 5: Solve for x
    x = 683,528,879,374.36/1,117,634.68
  6. Step 6: Final answer
    x = 611,585.25

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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.