Home / 1,510,455.36-2,266,015.95-657,663.87

Finding the Fourth Proportional to 1,510,455.36, 2,266,015.95 and 657,663.87

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Solution

The fourth proportional to 1,510,455.36, 2,266,015.95 and 657,663.87 is: 986,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,455.36 : 2,266,015.95 = 657,663.87 : x
  2. Step 2: Convert to fraction form
    1,510,455.36/2,266,015.95 = 657,663.87/x
  3. Step 3: Cross multiply
    1,510,455.36x = 2,266,015.95 × 657,663.87
  4. Step 4: Simplify right side
    1,510,455.36x = 1,490,276,819,158.73
  5. Step 5: Solve for x
    x = 1,490,276,819,158.73/1,510,455.36
  6. Step 6: Final answer
    x = 986,640.76

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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.