Home / 1,098,555.40-1,646,450.70-974,139.40

Finding the Fourth Proportional to 1,098,555.40, 1,646,450.70 and 974,139.40

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Solution

The fourth proportional to 1,098,555.40, 1,646,450.70 and 974,139.40 is: 1,459,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,555.40 : 1,646,450.70 = 974,139.40 : x
  2. Step 2: Convert to fraction form
    1,098,555.40/1,646,450.70 = 974,139.40/x
  3. Step 3: Cross multiply
    1,098,555.40x = 1,646,450.70 × 974,139.40
  4. Step 4: Simplify right side
    1,098,555.40x = 1,603,872,497,027.58
  5. Step 5: Solve for x
    x = 1,603,872,497,027.58/1,098,555.40
  6. Step 6: Final answer
    x = 1,459,983.26

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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.