Home / 1,316,011.15-1,974,016.59-717,475.60

Finding the Fourth Proportional to 1,316,011.15, 1,974,016.59 and 717,475.60

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Solution

The fourth proportional to 1,316,011.15, 1,974,016.59 and 717,475.60 is: 1,076,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,011.15 : 1,974,016.59 = 717,475.60 : x
  2. Step 2: Convert to fraction form
    1,316,011.15/1,974,016.59 = 717,475.60/x
  3. Step 3: Cross multiply
    1,316,011.15x = 1,974,016.59 × 717,475.60
  4. Step 4: Simplify right side
    1,316,011.15x = 1,416,308,737,320.20
  5. Step 5: Solve for x
    x = 1,416,308,737,320.20/1,316,011.15
  6. Step 6: Final answer
    x = 1,076,213.33

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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.