Home / 1,402,103.60-2,103,509.68-391,224.90

Finding the Fourth Proportional to 1,402,103.60, 2,103,509.68 and 391,224.90

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Solution

The fourth proportional to 1,402,103.60, 2,103,509.68 and 391,224.90 is: 586,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,103.60 : 2,103,509.68 = 391,224.90 : x
  2. Step 2: Convert to fraction form
    1,402,103.60/2,103,509.68 = 391,224.90/x
  3. Step 3: Cross multiply
    1,402,103.60x = 2,103,509.68 × 391,224.90
  4. Step 4: Simplify right side
    1,402,103.60x = 822,945,364,207.03
  5. Step 5: Solve for x
    x = 822,945,364,207.03/1,402,103.60
  6. Step 6: Final answer
    x = 586,936.20

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1.5x scale

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.