Home / 1,490,403.90-2,235,897.45-637,473.90

Finding the Fourth Proportional to 1,490,403.90, 2,235,897.45 and 637,473.90

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Solution

The fourth proportional to 1,490,403.90, 2,235,897.45 and 637,473.90 is: 956,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,403.90 : 2,235,897.45 = 637,473.90 : x
  2. Step 2: Convert to fraction form
    1,490,403.90/2,235,897.45 = 637,473.90/x
  3. Step 3: Cross multiply
    1,490,403.90x = 2,235,897.45 × 637,473.90
  4. Step 4: Simplify right side
    1,490,403.90x = 1,425,326,267,451.56
  5. Step 5: Solve for x
    x = 1,425,326,267,451.56/1,490,403.90
  6. Step 6: Final answer
    x = 956,335.57

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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.