Home / 1,323,618.80-1,985,428.20-376,977.20

Finding the Fourth Proportional to 1,323,618.80, 1,985,428.20 and 376,977.20

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Solution

The fourth proportional to 1,323,618.80, 1,985,428.20 and 376,977.20 is: 565,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,618.80 : 1,985,428.20 = 376,977.20 : x
  2. Step 2: Convert to fraction form
    1,323,618.80/1,985,428.20 = 376,977.20/x
  3. Step 3: Cross multiply
    1,323,618.80x = 1,985,428.20 × 376,977.20
  4. Step 4: Simplify right side
    1,323,618.80x = 748,461,163,637.04
  5. Step 5: Solve for x
    x = 748,461,163,637.04/1,323,618.80
  6. Step 6: Final answer
    x = 565,465.80

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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.