Home / 1,119,938.40-1,679,756.40-446,515.20

Finding the Fourth Proportional to 1,119,938.40, 1,679,756.40 and 446,515.20

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Solution

The fourth proportional to 1,119,938.40, 1,679,756.40 and 446,515.20 is: 669,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,938.40 : 1,679,756.40 = 446,515.20 : x
  2. Step 2: Convert to fraction form
    1,119,938.40/1,679,756.40 = 446,515.20/x
  3. Step 3: Cross multiply
    1,119,938.40x = 1,679,756.40 × 446,515.20
  4. Step 4: Simplify right side
    1,119,938.40x = 750,036,764,897.28
  5. Step 5: Solve for x
    x = 750,036,764,897.28/1,119,938.40
  6. Step 6: Final answer
    x = 669,712.52

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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.