Home / 1,631,332.22-2,443,271.04-779,000.90

Finding the Fourth Proportional to 1,631,332.22, 2,443,271.04 and 779,000.90

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Solution

The fourth proportional to 1,631,332.22, 2,443,271.04 and 779,000.90 is: 1,166,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,332.22 : 2,443,271.04 = 779,000.90 : x
  2. Step 2: Convert to fraction form
    1,631,332.22/2,443,271.04 = 779,000.90/x
  3. Step 3: Cross multiply
    1,631,332.22x = 2,443,271.04 × 779,000.90
  4. Step 4: Simplify right side
    1,631,332.22x = 1,903,310,326,887.58
  5. Step 5: Solve for x
    x = 1,903,310,326,887.58/1,631,332.22
  6. Step 6: Final answer
    x = 1,166,721.47

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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.