Home / 1,490,533.77-2,056,936.58-811,470.27

Finding the Fourth Proportional to 1,490,533.77, 2,056,936.58 and 811,470.27

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Solution

The fourth proportional to 1,490,533.77, 2,056,936.58 and 811,470.27 is: 1,119,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,533.77 : 2,056,936.58 = 811,470.27 : x
  2. Step 2: Convert to fraction form
    1,490,533.77/2,056,936.58 = 811,470.27/x
  3. Step 3: Cross multiply
    1,490,533.77x = 2,056,936.58 × 811,470.27
  4. Step 4: Simplify right side
    1,490,533.77x = 1,669,142,881,945.48
  5. Step 5: Solve for x
    x = 1,669,142,881,945.48/1,490,533.77
  6. Step 6: Final answer
    x = 1,119,828.96

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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.