Home / 1,336,145.70-2,004,024.15-389,417.70

Finding the Fourth Proportional to 1,336,145.70, 2,004,024.15 and 389,417.70

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Solution

The fourth proportional to 1,336,145.70, 2,004,024.15 and 389,417.70 is: 584,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,145.70 : 2,004,024.15 = 389,417.70 : x
  2. Step 2: Convert to fraction form
    1,336,145.70/2,004,024.15 = 389,417.70/x
  3. Step 3: Cross multiply
    1,336,145.70x = 2,004,024.15 × 389,417.70
  4. Step 4: Simplify right side
    1,336,145.70x = 780,402,475,237.46
  5. Step 5: Solve for x
    x = 780,402,475,237.46/1,336,145.70
  6. Step 6: Final answer
    x = 584,069.89

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1.5x scale

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.