Home / 1,363,911.51-2,045,274.39-391,061.55

Finding the Fourth Proportional to 1,363,911.51, 2,045,274.39 and 391,061.55

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Solution

The fourth proportional to 1,363,911.51, 2,045,274.39 and 391,061.55 is: 586,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,911.51 : 2,045,274.39 = 391,061.55 : x
  2. Step 2: Convert to fraction form
    1,363,911.51/2,045,274.39 = 391,061.55/x
  3. Step 3: Cross multiply
    1,363,911.51x = 2,045,274.39 × 391,061.55
  4. Step 4: Simplify right side
    1,363,911.51x = 799,828,173,128.71
  5. Step 5: Solve for x
    x = 799,828,173,128.71/1,363,911.51
  6. Step 6: Final answer
    x = 586,422.34

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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.