Home / 1,456,612.16-2,008,985.28-947,477.12

Finding the Fourth Proportional to 1,456,612.16, 2,008,985.28 and 947,477.12

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Solution

The fourth proportional to 1,456,612.16, 2,008,985.28 and 947,477.12 is: 1,306,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,612.16 : 2,008,985.28 = 947,477.12 : x
  2. Step 2: Convert to fraction form
    1,456,612.16/2,008,985.28 = 947,477.12/x
  3. Step 3: Cross multiply
    1,456,612.16x = 2,008,985.28 × 947,477.12
  4. Step 4: Simplify right side
    1,456,612.16x = 1,903,467,587,216.79
  5. Step 5: Solve for x
    x = 1,903,467,587,216.79/1,456,612.16
  6. Step 6: Final answer
    x = 1,306,777.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.