Home / 1,068,971.74-1,603,532.46-429,275.44

Finding the Fourth Proportional to 1,068,971.74, 1,603,532.46 and 429,275.44

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Solution

The fourth proportional to 1,068,971.74, 1,603,532.46 and 429,275.44 is: 643,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,971.74 : 1,603,532.46 = 429,275.44 : x
  2. Step 2: Convert to fraction form
    1,068,971.74/1,603,532.46 = 429,275.44/x
  3. Step 3: Cross multiply
    1,068,971.74x = 1,603,532.46 × 429,275.44
  4. Step 4: Simplify right side
    1,068,971.74x = 688,357,102,320.78
  5. Step 5: Solve for x
    x = 688,357,102,320.78/1,068,971.74
  6. Step 6: Final answer
    x = 643,943.22

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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.