Home / 1,142,008.32-1,712,880-300,625.76

Finding the Fourth Proportional to 1,142,008.32, 1,712,880 and 300,625.76

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Solution

The fourth proportional to 1,142,008.32, 1,712,880 and 300,625.76 is: 450,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,008.32 : 1,712,880 = 300,625.76 : x
  2. Step 2: Convert to fraction form
    1,142,008.32/1,712,880 = 300,625.76/x
  3. Step 3: Cross multiply
    1,142,008.32x = 1,712,880 × 300,625.76
  4. Step 4: Simplify right side
    1,142,008.32x = 514,935,851,788.80
  5. Step 5: Solve for x
    x = 514,935,851,788.80/1,142,008.32
  6. Step 6: Final answer
    x = 450,903.77

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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.