Home / 1,390,647.30-2,085,452.55-549,024.90

Finding the Fourth Proportional to 1,390,647.30, 2,085,452.55 and 549,024.90

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Solution

The fourth proportional to 1,390,647.30, 2,085,452.55 and 549,024.90 is: 823,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,647.30 : 2,085,452.55 = 549,024.90 : x
  2. Step 2: Convert to fraction form
    1,390,647.30/2,085,452.55 = 549,024.90/x
  3. Step 3: Cross multiply
    1,390,647.30x = 2,085,452.55 × 549,024.90
  4. Step 4: Simplify right side
    1,390,647.30x = 1,144,965,377,718.50
  5. Step 5: Solve for x
    x = 1,144,965,377,718.50/1,390,647.30
  6. Step 6: Final answer
    x = 823,332.69

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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.