Home / 1,316,122.79-1,974,178.98-417,634.58

Finding the Fourth Proportional to 1,316,122.79, 1,974,178.98 and 417,634.58

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Solution

The fourth proportional to 1,316,122.79, 1,974,178.98 and 417,634.58 is: 626,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,122.79 : 1,974,178.98 = 417,634.58 : x
  2. Step 2: Convert to fraction form
    1,316,122.79/1,974,178.98 = 417,634.58/x
  3. Step 3: Cross multiply
    1,316,122.79x = 1,974,178.98 × 417,634.58
  4. Step 4: Simplify right side
    1,316,122.79x = 824,485,414,092.58
  5. Step 5: Solve for x
    x = 824,485,414,092.58/1,316,122.79
  6. Step 6: Final answer
    x = 626,450.22

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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.