Home / 1,297,810.71-1,946,940.26-578,408.00

Finding the Fourth Proportional to 1,297,810.71, 1,946,940.26 and 578,408.00

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Solution

The fourth proportional to 1,297,810.71, 1,946,940.26 and 578,408.00 is: 867,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,810.71 : 1,946,940.26 = 578,408.00 : x
  2. Step 2: Convert to fraction form
    1,297,810.71/1,946,940.26 = 578,408.00/x
  3. Step 3: Cross multiply
    1,297,810.71x = 1,946,940.26 × 578,408.00
  4. Step 4: Simplify right side
    1,297,810.71x = 1,126,125,809,279.34
  5. Step 5: Solve for x
    x = 1,126,125,809,279.34/1,297,810.71
  6. Step 6: Final answer
    x = 867,711.91

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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.