Home / 1,828,130.60-2,742,451.05-762,928.49

Finding the Fourth Proportional to 1,828,130.60, 2,742,451.05 and 762,928.49

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Solution

The fourth proportional to 1,828,130.60, 2,742,451.05 and 762,928.49 is: 1,144,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,130.60 : 2,742,451.05 = 762,928.49 : x
  2. Step 2: Convert to fraction form
    1,828,130.60/2,742,451.05 = 762,928.49/x
  3. Step 3: Cross multiply
    1,828,130.60x = 2,742,451.05 × 762,928.49
  4. Step 4: Simplify right side
    1,828,130.60x = 2,092,294,038,475.41
  5. Step 5: Solve for x
    x = 2,092,294,038,475.41/1,828,130.60
  6. Step 6: Final answer
    x = 1,144,499.22

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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.