Home / 876,003.80-1,314,005.70-698,856.80

Finding the Fourth Proportional to 876,003.80, 1,314,005.70 and 698,856.80

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Solution

The fourth proportional to 876,003.80, 1,314,005.70 and 698,856.80 is: 1,048,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,003.80 : 1,314,005.70 = 698,856.80 : x
  2. Step 2: Convert to fraction form
    876,003.80/1,314,005.70 = 698,856.80/x
  3. Step 3: Cross multiply
    876,003.80x = 1,314,005.70 × 698,856.80
  4. Step 4: Simplify right side
    876,003.80x = 918,301,818,683.76
  5. Step 5: Solve for x
    x = 918,301,818,683.76/876,003.80
  6. Step 6: Final answer
    x = 1,048,285.20

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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.