Home / 1,021,530.77-1,532,384.28-263,365.80

Finding the Fourth Proportional to 1,021,530.77, 1,532,384.28 and 263,365.80

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Solution

The fourth proportional to 1,021,530.77, 1,532,384.28 and 263,365.80 is: 395,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,530.77 : 1,532,384.28 = 263,365.80 : x
  2. Step 2: Convert to fraction form
    1,021,530.77/1,532,384.28 = 263,365.80/x
  3. Step 3: Cross multiply
    1,021,530.77x = 1,532,384.28 × 263,365.80
  4. Step 4: Simplify right side
    1,021,530.77x = 403,577,611,809.62
  5. Step 5: Solve for x
    x = 403,577,611,809.62/1,021,530.77
  6. Step 6: Final answer
    x = 395,071.42

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1.5x scale

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.