Home / 1,068,963.23-1,603,519.69-429,266.95

Finding the Fourth Proportional to 1,068,963.23, 1,603,519.69 and 429,266.95

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Solution

The fourth proportional to 1,068,963.23, 1,603,519.69 and 429,266.95 is: 643,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,963.23 : 1,603,519.69 = 429,266.95 : x
  2. Step 2: Convert to fraction form
    1,068,963.23/1,603,519.69 = 429,266.95/x
  3. Step 3: Cross multiply
    1,068,963.23x = 1,603,519.69 × 429,266.95
  4. Step 4: Simplify right side
    1,068,963.23x = 688,338,001,509.28
  5. Step 5: Solve for x
    x = 688,338,001,509.28/1,068,963.23
  6. Step 6: Final answer
    x = 643,930.47

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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.