Home / 1,300,510.22-1,794,663.56-719,698.40

Finding the Fourth Proportional to 1,300,510.22, 1,794,663.56 and 719,698.40

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Solution

The fourth proportional to 1,300,510.22, 1,794,663.56 and 719,698.40 is: 993,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,510.22 : 1,794,663.56 = 719,698.40 : x
  2. Step 2: Convert to fraction form
    1,300,510.22/1,794,663.56 = 719,698.40/x
  3. Step 3: Cross multiply
    1,300,510.22x = 1,794,663.56 × 719,698.40
  4. Step 4: Simplify right side
    1,300,510.22x = 1,291,616,480,098.49
  5. Step 5: Solve for x
    x = 1,291,616,480,098.49/1,300,510.22
  6. Step 6: Final answer
    x = 993,161.35

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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.