Home / 1,069,941.80-1,604,540.50-430,055.58

Finding the Fourth Proportional to 1,069,941.80, 1,604,540.50 and 430,055.58

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Solution

The fourth proportional to 1,069,941.80, 1,604,540.50 and 430,055.58 is: 644,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,941.80 : 1,604,540.50 = 430,055.58 : x
  2. Step 2: Convert to fraction form
    1,069,941.80/1,604,540.50 = 430,055.58/x
  3. Step 3: Cross multiply
    1,069,941.80x = 1,604,540.50 × 430,055.58
  4. Step 4: Simplify right side
    1,069,941.80x = 690,041,595,360.99
  5. Step 5: Solve for x
    x = 690,041,595,360.99/1,069,941.80
  6. Step 6: Final answer
    x = 644,933.77

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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.