Home / 1,338,970.84-1,847,772.30-727,117.72

Finding the Fourth Proportional to 1,338,970.84, 1,847,772.30 and 727,117.72

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Solution

The fourth proportional to 1,338,970.84, 1,847,772.30 and 727,117.72 is: 1,003,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,970.84 : 1,847,772.30 = 727,117.72 : x
  2. Step 2: Convert to fraction form
    1,338,970.84/1,847,772.30 = 727,117.72/x
  3. Step 3: Cross multiply
    1,338,970.84x = 1,847,772.30 × 727,117.72
  4. Step 4: Simplify right side
    1,338,970.84x = 1,343,547,981,855.16
  5. Step 5: Solve for x
    x = 1,343,547,981,855.16/1,338,970.84
  6. Step 6: Final answer
    x = 1,003,418.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.