Home / 1,105,612.87-1,658,428.59-306,956.69

Finding the Fourth Proportional to 1,105,612.87, 1,658,428.59 and 306,956.69

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Solution

The fourth proportional to 1,105,612.87, 1,658,428.59 and 306,956.69 is: 460,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,612.87 : 1,658,428.59 = 306,956.69 : x
  2. Step 2: Convert to fraction form
    1,105,612.87/1,658,428.59 = 306,956.69/x
  3. Step 3: Cross multiply
    1,105,612.87x = 1,658,428.59 × 306,956.69
  4. Step 4: Simplify right side
    1,105,612.87x = 509,065,750,587.77
  5. Step 5: Solve for x
    x = 509,065,750,587.77/1,105,612.87
  6. Step 6: Final answer
    x = 460,437.61

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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.