Home / 1,137,888.48-1,570,228.08-628,492.32

Finding the Fourth Proportional to 1,137,888.48, 1,570,228.08 and 628,492.32

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Solution

The fourth proportional to 1,137,888.48, 1,570,228.08 and 628,492.32 is: 867,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,888.48 : 1,570,228.08 = 628,492.32 : x
  2. Step 2: Convert to fraction form
    1,137,888.48/1,570,228.08 = 628,492.32/x
  3. Step 3: Cross multiply
    1,137,888.48x = 1,570,228.08 × 628,492.32
  4. Step 4: Simplify right side
    1,137,888.48x = 986,876,288,928.35
  5. Step 5: Solve for x
    x = 986,876,288,928.35/1,137,888.48
  6. Step 6: Final answer
    x = 867,287.35

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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.