Home / 1,297,547.61-1,790,580.99-716,758.22

Finding the Fourth Proportional to 1,297,547.61, 1,790,580.99 and 716,758.22

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Solution

The fourth proportional to 1,297,547.61, 1,790,580.99 and 716,758.22 is: 989,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,547.61 : 1,790,580.99 = 716,758.22 : x
  2. Step 2: Convert to fraction form
    1,297,547.61/1,790,580.99 = 716,758.22/x
  3. Step 3: Cross multiply
    1,297,547.61x = 1,790,580.99 × 716,758.22
  4. Step 4: Simplify right side
    1,297,547.61x = 1,283,413,636,218.75
  5. Step 5: Solve for x
    x = 1,283,413,636,218.75/1,297,547.61
  6. Step 6: Final answer
    x = 989,107.17

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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.