Home / 1,006,891.17-1,510,106.05-287,219.23

Finding the Fourth Proportional to 1,006,891.17, 1,510,106.05 and 287,219.23

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Solution

The fourth proportional to 1,006,891.17, 1,510,106.05 and 287,219.23 is: 430,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,891.17 : 1,510,106.05 = 287,219.23 : x
  2. Step 2: Convert to fraction form
    1,006,891.17/1,510,106.05 = 287,219.23/x
  3. Step 3: Cross multiply
    1,006,891.17x = 1,510,106.05 × 287,219.23
  4. Step 4: Simplify right side
    1,006,891.17x = 433,731,493,483.10
  5. Step 5: Solve for x
    x = 433,731,493,483.10/1,006,891.17
  6. Step 6: Final answer
    x = 430,763.03

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Double scale
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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.