Home / 1,478,315.89-2,039,953.74-833,894.47

Finding the Fourth Proportional to 1,478,315.89, 2,039,953.74 and 833,894.47

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Solution

The fourth proportional to 1,478,315.89, 2,039,953.74 and 833,894.47 is: 1,150,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,315.89 : 2,039,953.74 = 833,894.47 : x
  2. Step 2: Convert to fraction form
    1,478,315.89/2,039,953.74 = 833,894.47/x
  3. Step 3: Cross multiply
    1,478,315.89x = 2,039,953.74 × 833,894.47
  4. Step 4: Simplify right side
    1,478,315.89x = 1,701,106,132,642.05
  5. Step 5: Solve for x
    x = 1,701,106,132,642.05/1,478,315.89
  6. Step 6: Final answer
    x = 1,150,705.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.