Home / 1,185,143.04-1,776,823.68-385,948.80

Finding the Fourth Proportional to 1,185,143.04, 1,776,823.68 and 385,948.80

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Solution

The fourth proportional to 1,185,143.04, 1,776,823.68 and 385,948.80 is: 578,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,143.04 : 1,776,823.68 = 385,948.80 : x
  2. Step 2: Convert to fraction form
    1,185,143.04/1,776,823.68 = 385,948.80/x
  3. Step 3: Cross multiply
    1,185,143.04x = 1,776,823.68 × 385,948.80
  4. Step 4: Simplify right side
    1,185,143.04x = 685,762,967,107.58
  5. Step 5: Solve for x
    x = 685,762,967,107.58/1,185,143.04
  6. Step 6: Final answer
    x = 578,633.08

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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.