Home / 1,079,547.40-1,616,729.10-579,809.80

Finding the Fourth Proportional to 1,079,547.40, 1,616,729.10 and 579,809.80

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Solution

The fourth proportional to 1,079,547.40, 1,616,729.10 and 579,809.80 is: 868,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,547.40 : 1,616,729.10 = 579,809.80 : x
  2. Step 2: Convert to fraction form
    1,079,547.40/1,616,729.10 = 579,809.80/x
  3. Step 3: Cross multiply
    1,079,547.40x = 1,616,729.10 × 579,809.80
  4. Step 4: Simplify right side
    1,079,547.40x = 937,395,376,125.18
  5. Step 5: Solve for x
    x = 937,395,376,125.18/1,079,547.40
  6. Step 6: Final answer
    x = 868,322.57

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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.