Home / 1,628,533.70-2,445,133.35-919,945.70

Finding the Fourth Proportional to 1,628,533.70, 2,445,133.35 and 919,945.70

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Solution

The fourth proportional to 1,628,533.70, 2,445,133.35 and 919,945.70 is: 1,381,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,533.70 : 2,445,133.35 = 919,945.70 : x
  2. Step 2: Convert to fraction form
    1,628,533.70/2,445,133.35 = 919,945.70/x
  3. Step 3: Cross multiply
    1,628,533.70x = 2,445,133.35 × 919,945.70
  4. Step 4: Simplify right side
    1,628,533.70x = 2,249,389,911,259.10
  5. Step 5: Solve for x
    x = 2,249,389,911,259.10/1,628,533.70
  6. Step 6: Final answer
    x = 1,381,236.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.