Home / 1,399,411.84-1,932,117.96-1,076,552.32

Finding the Fourth Proportional to 1,399,411.84, 1,932,117.96 and 1,076,552.32

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Solution

The fourth proportional to 1,399,411.84, 1,932,117.96 and 1,076,552.32 is: 1,486,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,411.84 : 1,932,117.96 = 1,076,552.32 : x
  2. Step 2: Convert to fraction form
    1,399,411.84/1,932,117.96 = 1,076,552.32/x
  3. Step 3: Cross multiply
    1,399,411.84x = 1,932,117.96 × 1,076,552.32
  4. Step 4: Simplify right side
    1,399,411.84x = 2,080,026,072,351.67
  5. Step 5: Solve for x
    x = 2,080,026,072,351.67/1,399,411.84
  6. Step 6: Final answer
    x = 1,486,357.35

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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.