Home / 1,490,459.40-2,235,980.70-637,529.40

Finding the Fourth Proportional to 1,490,459.40, 2,235,980.70 and 637,529.40

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Solution

The fourth proportional to 1,490,459.40, 2,235,980.70 and 637,529.40 is: 956,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,459.40 : 2,235,980.70 = 637,529.40 : x
  2. Step 2: Convert to fraction form
    1,490,459.40/2,235,980.70 = 637,529.40/x
  3. Step 3: Cross multiply
    1,490,459.40x = 2,235,980.70 × 637,529.40
  4. Step 4: Simplify right side
    1,490,459.40x = 1,425,503,434,082.58
  5. Step 5: Solve for x
    x = 1,425,503,434,082.58/1,490,459.40
  6. Step 6: Final answer
    x = 956,418.83

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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.