Home / 1,230,890.60-1,846,595.10-389,527.40

Finding the Fourth Proportional to 1,230,890.60, 1,846,595.10 and 389,527.40

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Solution

The fourth proportional to 1,230,890.60, 1,846,595.10 and 389,527.40 is: 584,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,890.60 : 1,846,595.10 = 389,527.40 : x
  2. Step 2: Convert to fraction form
    1,230,890.60/1,846,595.10 = 389,527.40/x
  3. Step 3: Cross multiply
    1,230,890.60x = 1,846,595.10 × 389,527.40
  4. Step 4: Simplify right side
    1,230,890.60x = 719,299,388,155.74
  5. Step 5: Solve for x
    x = 719,299,388,155.74/1,230,890.60
  6. Step 6: Final answer
    x = 584,373.13

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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.