Home / 1,441,700.51-1,989,483.63-788,314.20

Finding the Fourth Proportional to 1,441,700.51, 1,989,483.63 and 788,314.20

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Solution

The fourth proportional to 1,441,700.51, 1,989,483.63 and 788,314.20 is: 1,087,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,700.51 : 1,989,483.63 = 788,314.20 : x
  2. Step 2: Convert to fraction form
    1,441,700.51/1,989,483.63 = 788,314.20/x
  3. Step 3: Cross multiply
    1,441,700.51x = 1,989,483.63 × 788,314.20
  4. Step 4: Simplify right side
    1,441,700.51x = 1,568,338,196,196.55
  5. Step 5: Solve for x
    x = 1,568,338,196,196.55/1,441,700.51
  6. Step 6: Final answer
    x = 1,087,839.11

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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.