Home / 1,637,664.48-2,457,876.96-691,714.08

Finding the Fourth Proportional to 1,637,664.48, 2,457,876.96 and 691,714.08

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Solution

The fourth proportional to 1,637,664.48, 2,457,876.96 and 691,714.08 is: 1,038,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,664.48 : 2,457,876.96 = 691,714.08 : x
  2. Step 2: Convert to fraction form
    1,637,664.48/2,457,876.96 = 691,714.08/x
  3. Step 3: Cross multiply
    1,637,664.48x = 2,457,876.96 × 691,714.08
  4. Step 4: Simplify right side
    1,637,664.48x = 1,700,148,100,139.60
  5. Step 5: Solve for x
    x = 1,700,148,100,139.60/1,637,664.48
  6. Step 6: Final answer
    x = 1,038,154.10

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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.