Home / 1,497,117.40-2,245,967.70-644,187.40

Finding the Fourth Proportional to 1,497,117.40, 2,245,967.70 and 644,187.40

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Solution

The fourth proportional to 1,497,117.40, 2,245,967.70 and 644,187.40 is: 966,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,117.40 : 2,245,967.70 = 644,187.40 : x
  2. Step 2: Convert to fraction form
    1,497,117.40/2,245,967.70 = 644,187.40/x
  3. Step 3: Cross multiply
    1,497,117.40x = 2,245,967.70 × 644,187.40
  4. Step 4: Simplify right side
    1,497,117.40x = 1,446,824,093,146.98
  5. Step 5: Solve for x
    x = 1,446,824,093,146.98/1,497,117.40
  6. Step 6: Final answer
    x = 966,406.57

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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.