Home / 1,554,018.40-2,331,027.60-489,386.80

Finding the Fourth Proportional to 1,554,018.40, 2,331,027.60 and 489,386.80

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Solution

The fourth proportional to 1,554,018.40, 2,331,027.60 and 489,386.80 is: 734,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,018.40 : 2,331,027.60 = 489,386.80 : x
  2. Step 2: Convert to fraction form
    1,554,018.40/2,331,027.60 = 489,386.80/x
  3. Step 3: Cross multiply
    1,554,018.40x = 2,331,027.60 × 489,386.80
  4. Step 4: Simplify right side
    1,554,018.40x = 1,140,774,137,875.68
  5. Step 5: Solve for x
    x = 1,140,774,137,875.68/1,554,018.40
  6. Step 6: Final answer
    x = 734,080.20

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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.