Home / 1,129,088.40-1,558,083.96-670,222.32

Finding the Fourth Proportional to 1,129,088.40, 1,558,083.96 and 670,222.32

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Solution

The fourth proportional to 1,129,088.40, 1,558,083.96 and 670,222.32 is: 924,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,088.40 : 1,558,083.96 = 670,222.32 : x
  2. Step 2: Convert to fraction form
    1,129,088.40/1,558,083.96 = 670,222.32/x
  3. Step 3: Cross multiply
    1,129,088.40x = 1,558,083.96 × 670,222.32
  4. Step 4: Simplify right side
    1,129,088.40x = 1,044,262,646,425.99
  5. Step 5: Solve for x
    x = 1,044,262,646,425.99/1,129,088.40
  6. Step 6: Final answer
    x = 924,872.35

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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.