Home / 1,186,483.87-1,779,712.44-287,935.48

Finding the Fourth Proportional to 1,186,483.87, 1,779,712.44 and 287,935.48

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Solution

The fourth proportional to 1,186,483.87, 1,779,712.44 and 287,935.48 is: 431,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,483.87 : 1,779,712.44 = 287,935.48 : x
  2. Step 2: Convert to fraction form
    1,186,483.87/1,779,712.44 = 287,935.48/x
  3. Step 3: Cross multiply
    1,186,483.87x = 1,779,712.44 × 287,935.48
  4. Step 4: Simplify right side
    1,186,483.87x = 512,442,355,673.37
  5. Step 5: Solve for x
    x = 512,442,355,673.37/1,186,483.87
  6. Step 6: Final answer
    x = 431,899.98

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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.