Home / 1,490,164.20-2,235,332.70-425,284.20

Finding the Fourth Proportional to 1,490,164.20, 2,235,332.70 and 425,284.20

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Solution

The fourth proportional to 1,490,164.20, 2,235,332.70 and 425,284.20 is: 637,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,164.20 : 2,235,332.70 = 425,284.20 : x
  2. Step 2: Convert to fraction form
    1,490,164.20/2,235,332.70 = 425,284.20/x
  3. Step 3: Cross multiply
    1,490,164.20x = 2,235,332.70 × 425,284.20
  4. Step 4: Simplify right side
    1,490,164.20x = 950,651,679,053.34
  5. Step 5: Solve for x
    x = 950,651,679,053.34/1,490,164.20
  6. Step 6: Final answer
    x = 637,950.96

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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.