Home / 1,208,985.92-1,812,148.32-498,625.28

Finding the Fourth Proportional to 1,208,985.92, 1,812,148.32 and 498,625.28

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Solution

The fourth proportional to 1,208,985.92, 1,812,148.32 and 498,625.28 is: 747,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,985.92 : 1,812,148.32 = 498,625.28 : x
  2. Step 2: Convert to fraction form
    1,208,985.92/1,812,148.32 = 498,625.28/x
  3. Step 3: Cross multiply
    1,208,985.92x = 1,812,148.32 × 498,625.28
  4. Step 4: Simplify right side
    1,208,985.92x = 903,582,963,461.53
  5. Step 5: Solve for x
    x = 903,582,963,461.53/1,208,985.92
  6. Step 6: Final answer
    x = 747,389.15

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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.