Home / 1,455,966.56-2,009,349.78-802,711.28

Finding the Fourth Proportional to 1,455,966.56, 2,009,349.78 and 802,711.28

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Solution

The fourth proportional to 1,455,966.56, 2,009,349.78 and 802,711.28 is: 1,107,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,966.56 : 2,009,349.78 = 802,711.28 : x
  2. Step 2: Convert to fraction form
    1,455,966.56/2,009,349.78 = 802,711.28/x
  3. Step 3: Cross multiply
    1,455,966.56x = 2,009,349.78 × 802,711.28
  4. Step 4: Simplify right side
    1,455,966.56x = 1,612,927,733,871.52
  5. Step 5: Solve for x
    x = 1,612,927,733,871.52/1,455,966.56
  6. Step 6: Final answer
    x = 1,107,805.48

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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.