Home / 1,122,497.80-1,683,746.70-1,001,192.20

Finding the Fourth Proportional to 1,122,497.80, 1,683,746.70 and 1,001,192.20

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Solution

The fourth proportional to 1,122,497.80, 1,683,746.70 and 1,001,192.20 is: 1,501,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,497.80 : 1,683,746.70 = 1,001,192.20 : x
  2. Step 2: Convert to fraction form
    1,122,497.80/1,683,746.70 = 1,001,192.20/x
  3. Step 3: Cross multiply
    1,122,497.80x = 1,683,746.70 × 1,001,192.20
  4. Step 4: Simplify right side
    1,122,497.80x = 1,685,754,062,815.74
  5. Step 5: Solve for x
    x = 1,685,754,062,815.74/1,122,497.80
  6. Step 6: Final answer
    x = 1,501,788.30

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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.