Home / 1,459,688.40-2,189,532.60-1,377,019.80

Finding the Fourth Proportional to 1,459,688.40, 2,189,532.60 and 1,377,019.80

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Solution

The fourth proportional to 1,459,688.40, 2,189,532.60 and 1,377,019.80 is: 2,065,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,688.40 : 2,189,532.60 = 1,377,019.80 : x
  2. Step 2: Convert to fraction form
    1,459,688.40/2,189,532.60 = 1,377,019.80/x
  3. Step 3: Cross multiply
    1,459,688.40x = 2,189,532.60 × 1,377,019.80
  4. Step 4: Simplify right side
    1,459,688.40x = 3,015,029,742,945.48
  5. Step 5: Solve for x
    x = 3,015,029,742,945.48/1,459,688.40
  6. Step 6: Final answer
    x = 2,065,529.70

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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.