Home / 1,382,225.51-2,072,482.89-539,786.63

Finding the Fourth Proportional to 1,382,225.51, 2,072,482.89 and 539,786.63

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Solution

The fourth proportional to 1,382,225.51, 2,072,482.89 and 539,786.63 is: 809,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,225.51 : 2,072,482.89 = 539,786.63 : x
  2. Step 2: Convert to fraction form
    1,382,225.51/2,072,482.89 = 539,786.63/x
  3. Step 3: Cross multiply
    1,382,225.51x = 2,072,482.89 × 539,786.63
  4. Step 4: Simplify right side
    1,382,225.51x = 1,118,698,554,925.76
  5. Step 5: Solve for x
    x = 1,118,698,554,925.76/1,382,225.51
  6. Step 6: Final answer
    x = 809,345.90

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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.