Home / 1,117,633.12-1,676,699.70-407,661.17

Finding the Fourth Proportional to 1,117,633.12, 1,676,699.70 and 407,661.17

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Solution

The fourth proportional to 1,117,633.12, 1,676,699.70 and 407,661.17 is: 611,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,633.12 : 1,676,699.70 = 407,661.17 : x
  2. Step 2: Convert to fraction form
    1,117,633.12/1,676,699.70 = 407,661.17/x
  3. Step 3: Cross multiply
    1,117,633.12x = 1,676,699.70 × 407,661.17
  4. Step 4: Simplify right side
    1,117,633.12x = 683,525,360,959.86
  5. Step 5: Solve for x
    x = 683,525,360,959.86/1,117,633.12
  6. Step 6: Final answer
    x = 611,582.95

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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.