Home / 1,490,846.40-2,236,561.20-637,916.40

Finding the Fourth Proportional to 1,490,846.40, 2,236,561.20 and 637,916.40

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Solution

The fourth proportional to 1,490,846.40, 2,236,561.20 and 637,916.40 is: 956,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,846.40 : 2,236,561.20 = 637,916.40 : x
  2. Step 2: Convert to fraction form
    1,490,846.40/2,236,561.20 = 637,916.40/x
  3. Step 3: Cross multiply
    1,490,846.40x = 2,236,561.20 × 637,916.40
  4. Step 4: Simplify right side
    1,490,846.40x = 1,426,739,069,083.68
  5. Step 5: Solve for x
    x = 1,426,739,069,083.68/1,490,846.40
  6. Step 6: Final answer
    x = 956,999.37

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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.