Home / 1,355,785.69-2,033,690.45-344,908.71

Finding the Fourth Proportional to 1,355,785.69, 2,033,690.45 and 344,908.71

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Solution

The fourth proportional to 1,355,785.69, 2,033,690.45 and 344,908.71 is: 517,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,785.69 : 2,033,690.45 = 344,908.71 : x
  2. Step 2: Convert to fraction form
    1,355,785.69/2,033,690.45 = 344,908.71/x
  3. Step 3: Cross multiply
    1,355,785.69x = 2,033,690.45 × 344,908.71
  4. Step 4: Simplify right side
    1,355,785.69x = 701,437,547,924.28
  5. Step 5: Solve for x
    x = 701,437,547,924.28/1,355,785.69
  6. Step 6: Final answer
    x = 517,366.10

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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.