Home / 991,094.10-1,390,331.10-991,094.10

Finding the Fourth Proportional to 991,094.10, 1,390,331.10 and 991,094.10

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Solution

The fourth proportional to 991,094.10, 1,390,331.10 and 991,094.10 is: 1,390,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,094.10 : 1,390,331.10 = 991,094.10 : x
  2. Step 2: Convert to fraction form
    991,094.10/1,390,331.10 = 991,094.10/x
  3. Step 3: Cross multiply
    991,094.10x = 1,390,331.10 × 991,094.10
  4. Step 4: Simplify right side
    991,094.10x = 1,377,948,950,256.51
  5. Step 5: Solve for x
    x = 1,377,948,950,256.51/991,094.10
  6. Step 6: Final answer
    x = 1,390,331.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.