Home / 1,148,859.70-1,723,366.35-390,690.10

Finding the Fourth Proportional to 1,148,859.70, 1,723,366.35 and 390,690.10

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Solution

The fourth proportional to 1,148,859.70, 1,723,366.35 and 390,690.10 is: 586,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,859.70 : 1,723,366.35 = 390,690.10 : x
  2. Step 2: Convert to fraction form
    1,148,859.70/1,723,366.35 = 390,690.10/x
  3. Step 3: Cross multiply
    1,148,859.70x = 1,723,366.35 × 390,690.10
  4. Step 4: Simplify right side
    1,148,859.70x = 673,302,171,618.14
  5. Step 5: Solve for x
    x = 673,302,171,618.14/1,148,859.70
  6. Step 6: Final answer
    x = 586,061.27

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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.