Home / 1,335,647.15-1,998,681.77-1,156,349.30

Finding the Fourth Proportional to 1,335,647.15, 1,998,681.77 and 1,156,349.30

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Solution

The fourth proportional to 1,335,647.15, 1,998,681.77 and 1,156,349.30 is: 1,730,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,647.15 : 1,998,681.77 = 1,156,349.30 : x
  2. Step 2: Convert to fraction form
    1,335,647.15/1,998,681.77 = 1,156,349.30/x
  3. Step 3: Cross multiply
    1,335,647.15x = 1,998,681.77 × 1,156,349.30
  4. Step 4: Simplify right side
    1,335,647.15x = 2,311,174,249,887.11
  5. Step 5: Solve for x
    x = 2,311,174,249,887.11/1,335,647.15
  6. Step 6: Final answer
    x = 1,730,377.86

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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.