Home / 1,490,018.40-2,235,374.64-425,075.04

Finding the Fourth Proportional to 1,490,018.40, 2,235,374.64 and 425,075.04

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Solution

The fourth proportional to 1,490,018.40, 2,235,374.64 and 425,075.04 is: 637,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,018.40 : 2,235,374.64 = 425,075.04 : x
  2. Step 2: Convert to fraction form
    1,490,018.40/2,235,374.64 = 425,075.04/x
  3. Step 3: Cross multiply
    1,490,018.40x = 2,235,374.64 × 425,075.04
  4. Step 4: Simplify right side
    1,490,018.40x = 950,201,964,512.99
  5. Step 5: Solve for x
    x = 950,201,964,512.99/1,490,018.40
  6. Step 6: Final answer
    x = 637,711.56

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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.