Home / 1,122,709.34-1,549,320.78-613,400.78

Finding the Fourth Proportional to 1,122,709.34, 1,549,320.78 and 613,400.78

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Solution

The fourth proportional to 1,122,709.34, 1,549,320.78 and 613,400.78 is: 846,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,709.34 : 1,549,320.78 = 613,400.78 : x
  2. Step 2: Convert to fraction form
    1,122,709.34/1,549,320.78 = 613,400.78/x
  3. Step 3: Cross multiply
    1,122,709.34x = 1,549,320.78 × 613,400.78
  4. Step 4: Simplify right side
    1,122,709.34x = 950,354,574,922.21
  5. Step 5: Solve for x
    x = 950,354,574,922.21/1,122,709.34
  6. Step 6: Final answer
    x = 846,483.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.