Home / 1,232,008.09-1,845,434.35-990,818.23

Finding the Fourth Proportional to 1,232,008.09, 1,845,434.35 and 990,818.23

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Solution

The fourth proportional to 1,232,008.09, 1,845,434.35 and 990,818.23 is: 1,484,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,008.09 : 1,845,434.35 = 990,818.23 : x
  2. Step 2: Convert to fraction form
    1,232,008.09/1,845,434.35 = 990,818.23/x
  3. Step 3: Cross multiply
    1,232,008.09x = 1,845,434.35 × 990,818.23
  4. Step 4: Simplify right side
    1,232,008.09x = 1,828,489,996,248.20
  5. Step 5: Solve for x
    x = 1,828,489,996,248.20/1,232,008.09
  6. Step 6: Final answer
    x = 1,484,154.21

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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.