Home / 1,409,607.40-2,114,411.10-651,447.40

Finding the Fourth Proportional to 1,409,607.40, 2,114,411.10 and 651,447.40

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Solution

The fourth proportional to 1,409,607.40, 2,114,411.10 and 651,447.40 is: 977,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,607.40 : 2,114,411.10 = 651,447.40 : x
  2. Step 2: Convert to fraction form
    1,409,607.40/2,114,411.10 = 651,447.40/x
  3. Step 3: Cross multiply
    1,409,607.40x = 2,114,411.10 × 651,447.40
  4. Step 4: Simplify right side
    1,409,607.40x = 1,377,427,613,626.14
  5. Step 5: Solve for x
    x = 1,377,427,613,626.14/1,409,607.40
  6. Step 6: Final answer
    x = 977,171.10

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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.