Home / 1,013,492.21-1,398,619.37-554,606.87

Finding the Fourth Proportional to 1,013,492.21, 1,398,619.37 and 554,606.87

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Solution

The fourth proportional to 1,013,492.21, 1,398,619.37 and 554,606.87 is: 765,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,492.21 : 1,398,619.37 = 554,606.87 : x
  2. Step 2: Convert to fraction form
    1,013,492.21/1,398,619.37 = 554,606.87/x
  3. Step 3: Cross multiply
    1,013,492.21x = 1,398,619.37 × 554,606.87
  4. Step 4: Simplify right side
    1,013,492.21x = 775,683,901,350.94
  5. Step 5: Solve for x
    x = 775,683,901,350.94/1,013,492.21
  6. Step 6: Final answer
    x = 765,357.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.