Home / 1,314,503.80-1,971,755.70-472,946.20

Finding the Fourth Proportional to 1,314,503.80, 1,971,755.70 and 472,946.20

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Solution

The fourth proportional to 1,314,503.80, 1,971,755.70 and 472,946.20 is: 709,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,503.80 : 1,971,755.70 = 472,946.20 : x
  2. Step 2: Convert to fraction form
    1,314,503.80/1,971,755.70 = 472,946.20/x
  3. Step 3: Cross multiply
    1,314,503.80x = 1,971,755.70 × 472,946.20
  4. Step 4: Simplify right side
    1,314,503.80x = 932,534,365,643.34
  5. Step 5: Solve for x
    x = 932,534,365,643.34/1,314,503.80
  6. Step 6: Final answer
    x = 709,419.30

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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.