Home / 1,542,887.18-2,314,700.28-643,828.79

Finding the Fourth Proportional to 1,542,887.18, 2,314,700.28 and 643,828.79

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Solution

The fourth proportional to 1,542,887.18, 2,314,700.28 and 643,828.79 is: 965,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,887.18 : 2,314,700.28 = 643,828.79 : x
  2. Step 2: Convert to fraction form
    1,542,887.18/2,314,700.28 = 643,828.79/x
  3. Step 3: Cross multiply
    1,542,887.18x = 2,314,700.28 × 643,828.79
  4. Step 4: Simplify right side
    1,542,887.18x = 1,490,270,686,271.81
  5. Step 5: Solve for x
    x = 1,490,270,686,271.81/1,542,887.18
  6. Step 6: Final answer
    x = 965,897.38

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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.