Home / 1,430,508.84-1,974,115.56-785,942.40

Finding the Fourth Proportional to 1,430,508.84, 1,974,115.56 and 785,942.40

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Solution

The fourth proportional to 1,430,508.84, 1,974,115.56 and 785,942.40 is: 1,084,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,508.84 : 1,974,115.56 = 785,942.40 : x
  2. Step 2: Convert to fraction form
    1,430,508.84/1,974,115.56 = 785,942.40/x
  3. Step 3: Cross multiply
    1,430,508.84x = 1,974,115.56 × 785,942.40
  4. Step 4: Simplify right side
    1,430,508.84x = 1,551,541,121,103.74
  5. Step 5: Solve for x
    x = 1,551,541,121,103.74/1,430,508.84
  6. Step 6: Final answer
    x = 1,084,607.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.