Home / 1,314,038.56-1,971,056.40-316,766.56

Finding the Fourth Proportional to 1,314,038.56, 1,971,056.40 and 316,766.56

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Solution

The fourth proportional to 1,314,038.56, 1,971,056.40 and 316,766.56 is: 475,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,038.56 : 1,971,056.40 = 316,766.56 : x
  2. Step 2: Convert to fraction form
    1,314,038.56/1,971,056.40 = 316,766.56/x
  3. Step 3: Cross multiply
    1,314,038.56x = 1,971,056.40 × 316,766.56
  4. Step 4: Simplify right side
    1,314,038.56x = 624,364,755,393.98
  5. Step 5: Solve for x
    x = 624,364,755,393.98/1,314,038.56
  6. Step 6: Final answer
    x = 475,149.49

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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.