Home / 1,431,450.90-1,973,937.74-947,839.59

Finding the Fourth Proportional to 1,431,450.90, 1,973,937.74 and 947,839.59

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Solution

The fourth proportional to 1,431,450.90, 1,973,937.74 and 947,839.59 is: 1,307,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,450.90 : 1,973,937.74 = 947,839.59 : x
  2. Step 2: Convert to fraction form
    1,431,450.90/1,973,937.74 = 947,839.59/x
  3. Step 3: Cross multiply
    1,431,450.90x = 1,973,937.74 × 947,839.59
  4. Step 4: Simplify right side
    1,431,450.90x = 1,870,976,333,427.93
  5. Step 5: Solve for x
    x = 1,870,976,333,427.93/1,431,450.90
  6. Step 6: Final answer
    x = 1,307,048.91

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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.