Home / 1,619,428.40-2,429,200.20-497,495.60

Finding the Fourth Proportional to 1,619,428.40, 2,429,200.20 and 497,495.60

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Solution

The fourth proportional to 1,619,428.40, 2,429,200.20 and 497,495.60 is: 746,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,428.40 : 2,429,200.20 = 497,495.60 : x
  2. Step 2: Convert to fraction form
    1,619,428.40/2,429,200.20 = 497,495.60/x
  3. Step 3: Cross multiply
    1,619,428.40x = 2,429,200.20 × 497,495.60
  4. Step 4: Simplify right side
    1,619,428.40x = 1,208,516,411,019.12
  5. Step 5: Solve for x
    x = 1,208,516,411,019.12/1,619,428.40
  6. Step 6: Final answer
    x = 746,261.09

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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.