Home / 1,265,365.21-1,898,047.83-555,399.40

Finding the Fourth Proportional to 1,265,365.21, 1,898,047.83 and 555,399.40

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Solution

The fourth proportional to 1,265,365.21, 1,898,047.83 and 555,399.40 is: 833,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,365.21 : 1,898,047.83 = 555,399.40 : x
  2. Step 2: Convert to fraction form
    1,265,365.21/1,898,047.83 = 555,399.40/x
  3. Step 3: Cross multiply
    1,265,365.21x = 1,898,047.83 × 555,399.40
  4. Step 4: Simplify right side
    1,265,365.21x = 1,054,174,625,953.30
  5. Step 5: Solve for x
    x = 1,054,174,625,953.30/1,265,365.21
  6. Step 6: Final answer
    x = 833,099.11

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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.