Home / 1,283,337.21-1,924,341.33-684,137.43

Finding the Fourth Proportional to 1,283,337.21, 1,924,341.33 and 684,137.43

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Solution

The fourth proportional to 1,283,337.21, 1,924,341.33 and 684,137.43 is: 1,025,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,337.21 : 1,924,341.33 = 684,137.43 : x
  2. Step 2: Convert to fraction form
    1,283,337.21/1,924,341.33 = 684,137.43/x
  3. Step 3: Cross multiply
    1,283,337.21x = 1,924,341.33 × 684,137.43
  4. Step 4: Simplify right side
    1,283,337.21x = 1,316,513,931,948.98
  5. Step 5: Solve for x
    x = 1,316,513,931,948.98/1,283,337.21
  6. Step 6: Final answer
    x = 1,025,851.91

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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.