Home / 1,316,470.21-1,974,563.82-892,725.98

Finding the Fourth Proportional to 1,316,470.21, 1,974,563.82 and 892,725.98

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Solution

The fourth proportional to 1,316,470.21, 1,974,563.82 and 892,725.98 is: 1,338,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,470.21 : 1,974,563.82 = 892,725.98 : x
  2. Step 2: Convert to fraction form
    1,316,470.21/1,974,563.82 = 892,725.98/x
  3. Step 3: Cross multiply
    1,316,470.21x = 1,974,563.82 × 892,725.98
  4. Step 4: Simplify right side
    1,316,470.21x = 1,762,744,411,409.22
  5. Step 5: Solve for x
    x = 1,762,744,411,409.22/1,316,470.21
  6. Step 6: Final answer
    x = 1,338,993.01

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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.