Home / 1,662,411.81-2,490,008.99-1,020,767.88

Finding the Fourth Proportional to 1,662,411.81, 2,490,008.99 and 1,020,767.88

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Solution

The fourth proportional to 1,662,411.81, 2,490,008.99 and 1,020,767.88 is: 1,528,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,411.81 : 2,490,008.99 = 1,020,767.88 : x
  2. Step 2: Convert to fraction form
    1,662,411.81/2,490,008.99 = 1,020,767.88/x
  3. Step 3: Cross multiply
    1,662,411.81x = 2,490,008.99 × 1,020,767.88
  4. Step 4: Simplify right side
    1,662,411.81x = 2,541,721,192,799.40
  5. Step 5: Solve for x
    x = 2,541,721,192,799.40/1,662,411.81
  6. Step 6: Final answer
    x = 1,528,935.96

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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.