Home / 1,069,203.43-1,604,100.39-429,702.76

Finding the Fourth Proportional to 1,069,203.43, 1,604,100.39 and 429,702.76

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Solution

The fourth proportional to 1,069,203.43, 1,604,100.39 and 429,702.76 is: 644,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,203.43 : 1,604,100.39 = 429,702.76 : x
  2. Step 2: Convert to fraction form
    1,069,203.43/1,604,100.39 = 429,702.76/x
  3. Step 3: Cross multiply
    1,069,203.43x = 1,604,100.39 × 429,702.76
  4. Step 4: Simplify right side
    1,069,203.43x = 689,286,364,900.08
  5. Step 5: Solve for x
    x = 689,286,364,900.08/1,069,203.43
  6. Step 6: Final answer
    x = 644,672.80

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1.5x scale

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.