Home / 1,359,030.81-2,038,558.54-412,401.57

Finding the Fourth Proportional to 1,359,030.81, 2,038,558.54 and 412,401.57

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Solution

The fourth proportional to 1,359,030.81, 2,038,558.54 and 412,401.57 is: 618,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,030.81 : 2,038,558.54 = 412,401.57 : x
  2. Step 2: Convert to fraction form
    1,359,030.81/2,038,558.54 = 412,401.57/x
  3. Step 3: Cross multiply
    1,359,030.81x = 2,038,558.54 × 412,401.57
  4. Step 4: Simplify right side
    1,359,030.81x = 840,704,742,432.91
  5. Step 5: Solve for x
    x = 840,704,742,432.91/1,359,030.81
  6. Step 6: Final answer
    x = 618,606.10

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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.