Home / 1,433,465.12-2,151,526.28-723,991.40

Finding the Fourth Proportional to 1,433,465.12, 2,151,526.28 and 723,991.40

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Solution

The fourth proportional to 1,433,465.12, 2,151,526.28 and 723,991.40 is: 1,086,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,465.12 : 2,151,526.28 = 723,991.40 : x
  2. Step 2: Convert to fraction form
    1,433,465.12/2,151,526.28 = 723,991.40/x
  3. Step 3: Cross multiply
    1,433,465.12x = 2,151,526.28 × 723,991.40
  4. Step 4: Simplify right side
    1,433,465.12x = 1,557,686,523,593.99
  5. Step 5: Solve for x
    x = 1,557,686,523,593.99/1,433,465.12
  6. Step 6: Final answer
    x = 1,086,658.13

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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.