Home / 1,768,685.32-2,653,588.74-631,423.10

Finding the Fourth Proportional to 1,768,685.32, 2,653,588.74 and 631,423.10

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Solution

The fourth proportional to 1,768,685.32, 2,653,588.74 and 631,423.10 is: 947,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,685.32 : 2,653,588.74 = 631,423.10 : x
  2. Step 2: Convert to fraction form
    1,768,685.32/2,653,588.74 = 631,423.10/x
  3. Step 3: Cross multiply
    1,768,685.32x = 2,653,588.74 × 631,423.10
  4. Step 4: Simplify right side
    1,768,685.32x = 1,675,537,218,859.51
  5. Step 5: Solve for x
    x = 1,675,537,218,859.51/1,768,685.32
  6. Step 6: Final answer
    x = 947,334.84

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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.