Home / 1,447,360.90-1,997,597.19-802,988.70

Finding the Fourth Proportional to 1,447,360.90, 1,997,597.19 and 802,988.70

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Solution

The fourth proportional to 1,447,360.90, 1,997,597.19 and 802,988.70 is: 1,108,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,360.90 : 1,997,597.19 = 802,988.70 : x
  2. Step 2: Convert to fraction form
    1,447,360.90/1,997,597.19 = 802,988.70/x
  3. Step 3: Cross multiply
    1,447,360.90x = 1,997,597.19 × 802,988.70
  4. Step 4: Simplify right side
    1,447,360.90x = 1,604,047,970,721.75
  5. Step 5: Solve for x
    x = 1,604,047,970,721.75/1,447,360.90
  6. Step 6: Final answer
    x = 1,108,257.08

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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.