Home / 1,774,951.17-2,662,426.63-427,113.91

Finding the Fourth Proportional to 1,774,951.17, 2,662,426.63 and 427,113.91

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Solution

The fourth proportional to 1,774,951.17, 2,662,426.63 and 427,113.91 is: 640,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,951.17 : 2,662,426.63 = 427,113.91 : x
  2. Step 2: Convert to fraction form
    1,774,951.17/2,662,426.63 = 427,113.91/x
  3. Step 3: Cross multiply
    1,774,951.17x = 2,662,426.63 × 427,113.91
  4. Step 4: Simplify right side
    1,774,951.17x = 1,137,159,448,027.42
  5. Step 5: Solve for x
    x = 1,137,159,448,027.42/1,774,951.17
  6. Step 6: Final answer
    x = 640,670.83

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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.