Home / 1,087,185.52-1,629,547.84-553,579.36

Finding the Fourth Proportional to 1,087,185.52, 1,629,547.84 and 553,579.36

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Solution

The fourth proportional to 1,087,185.52, 1,629,547.84 and 553,579.36 is: 829,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,185.52 : 1,629,547.84 = 553,579.36 : x
  2. Step 2: Convert to fraction form
    1,087,185.52/1,629,547.84 = 553,579.36/x
  3. Step 3: Cross multiply
    1,087,185.52x = 1,629,547.84 × 553,579.36
  4. Step 4: Simplify right side
    1,087,185.52x = 902,084,050,356.58
  5. Step 5: Solve for x
    x = 902,084,050,356.58/1,087,185.52
  6. Step 6: Final answer
    x = 829,742.52

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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.