Home / 1,155,040.03-1,724,100.08-1,018,687.87

Finding the Fourth Proportional to 1,155,040.03, 1,724,100.08 and 1,018,687.87

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Solution

The fourth proportional to 1,155,040.03, 1,724,100.08 and 1,018,687.87 is: 1,520,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,040.03 : 1,724,100.08 = 1,018,687.87 : x
  2. Step 2: Convert to fraction form
    1,155,040.03/1,724,100.08 = 1,018,687.87/x
  3. Step 3: Cross multiply
    1,155,040.03x = 1,724,100.08 × 1,018,687.87
  4. Step 4: Simplify right side
    1,155,040.03x = 1,756,319,838,162.03
  5. Step 5: Solve for x
    x = 1,756,319,838,162.03/1,155,040.03
  6. Step 6: Final answer
    x = 1,520,570.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.