Home / 988,931.80-1,483,397.70-817,689.70

Finding the Fourth Proportional to 988,931.80, 1,483,397.70 and 817,689.70

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Solution

The fourth proportional to 988,931.80, 1,483,397.70 and 817,689.70 is: 1,226,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,931.80 : 1,483,397.70 = 817,689.70 : x
  2. Step 2: Convert to fraction form
    988,931.80/1,483,397.70 = 817,689.70/x
  3. Step 3: Cross multiply
    988,931.80x = 1,483,397.70 × 817,689.70
  4. Step 4: Simplify right side
    988,931.80x = 1,212,959,020,293.69
  5. Step 5: Solve for x
    x = 1,212,959,020,293.69/988,931.80
  6. Step 6: Final answer
    x = 1,226,534.55

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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.