Home / 1,107,400.64-1,527,803.03-648,436.82

Finding the Fourth Proportional to 1,107,400.64, 1,527,803.03 and 648,436.82

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Solution

The fourth proportional to 1,107,400.64, 1,527,803.03 and 648,436.82 is: 894,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,400.64 : 1,527,803.03 = 648,436.82 : x
  2. Step 2: Convert to fraction form
    1,107,400.64/1,527,803.03 = 648,436.82/x
  3. Step 3: Cross multiply
    1,107,400.64x = 1,527,803.03 × 648,436.82
  4. Step 4: Simplify right side
    1,107,400.64x = 990,683,732,341.64
  5. Step 5: Solve for x
    x = 990,683,732,341.64/1,107,400.64
  6. Step 6: Final answer
    x = 894,602.82

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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.