Home / 1,994,139.40-2,991,209.10-732,459.10

Finding the Fourth Proportional to 1,994,139.40, 2,991,209.10 and 732,459.10

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Solution

The fourth proportional to 1,994,139.40, 2,991,209.10 and 732,459.10 is: 1,098,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,139.40 : 2,991,209.10 = 732,459.10 : x
  2. Step 2: Convert to fraction form
    1,994,139.40/2,991,209.10 = 732,459.10/x
  3. Step 3: Cross multiply
    1,994,139.40x = 2,991,209.10 × 732,459.10
  4. Step 4: Simplify right side
    1,994,139.40x = 2,190,938,325,297.81
  5. Step 5: Solve for x
    x = 2,190,938,325,297.81/1,994,139.40
  6. Step 6: Final answer
    x = 1,098,688.65

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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.