Home / 1,139,455.14-1,709,412.75-508,369.02

Finding the Fourth Proportional to 1,139,455.14, 1,709,412.75 and 508,369.02

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Solution

The fourth proportional to 1,139,455.14, 1,709,412.75 and 508,369.02 is: 762,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,455.14 : 1,709,412.75 = 508,369.02 : x
  2. Step 2: Convert to fraction form
    1,139,455.14/1,709,412.75 = 508,369.02/x
  3. Step 3: Cross multiply
    1,139,455.14x = 1,709,412.75 × 508,369.02
  4. Step 4: Simplify right side
    1,139,455.14x = 869,012,484,493.01
  5. Step 5: Solve for x
    x = 869,012,484,493.01/1,139,455.14
  6. Step 6: Final answer
    x = 762,656.16

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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.