Home / 1,142,278.48-1,576,325.40-626,028.40

Finding the Fourth Proportional to 1,142,278.48, 1,576,325.40 and 626,028.40

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Solution

The fourth proportional to 1,142,278.48, 1,576,325.40 and 626,028.40 is: 863,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,278.48 : 1,576,325.40 = 626,028.40 : x
  2. Step 2: Convert to fraction form
    1,142,278.48/1,576,325.40 = 626,028.40/x
  3. Step 3: Cross multiply
    1,142,278.48x = 1,576,325.40 × 626,028.40
  4. Step 4: Simplify right side
    1,142,278.48x = 986,824,468,041.36
  5. Step 5: Solve for x
    x = 986,824,468,041.36/1,142,278.48
  6. Step 6: Final answer
    x = 863,908.83

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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.