Home / 1,954,688.40-2,930,995.80-692,557.20

Finding the Fourth Proportional to 1,954,688.40, 2,930,995.80 and 692,557.20

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Solution

The fourth proportional to 1,954,688.40, 2,930,995.80 and 692,557.20 is: 1,038,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,688.40 : 2,930,995.80 = 692,557.20 : x
  2. Step 2: Convert to fraction form
    1,954,688.40/2,930,995.80 = 692,557.20/x
  3. Step 3: Cross multiply
    1,954,688.40x = 2,930,995.80 × 692,557.20
  4. Step 4: Simplify right side
    1,954,688.40x = 2,029,882,244,459.76
  5. Step 5: Solve for x
    x = 2,029,882,244,459.76/1,954,688.40
  6. Step 6: Final answer
    x = 1,038,468.46

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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.