Home / 1,255,916.80-1,883,875.20-1,118,291.20

Finding the Fourth Proportional to 1,255,916.80, 1,883,875.20 and 1,118,291.20

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Solution

The fourth proportional to 1,255,916.80, 1,883,875.20 and 1,118,291.20 is: 1,677,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,916.80 : 1,883,875.20 = 1,118,291.20 : x
  2. Step 2: Convert to fraction form
    1,255,916.80/1,883,875.20 = 1,118,291.20/x
  3. Step 3: Cross multiply
    1,255,916.80x = 1,883,875.20 × 1,118,291.20
  4. Step 4: Simplify right side
    1,255,916.80x = 2,106,721,058,058.24
  5. Step 5: Solve for x
    x = 2,106,721,058,058.24/1,255,916.80
  6. Step 6: Final answer
    x = 1,677,436.80

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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.