Home / 1,678,572.22-2,518,602.54-879,663.82

Finding the Fourth Proportional to 1,678,572.22, 2,518,602.54 and 879,663.82

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Solution

The fourth proportional to 1,678,572.22, 2,518,602.54 and 879,663.82 is: 1,319,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,572.22 : 2,518,602.54 = 879,663.82 : x
  2. Step 2: Convert to fraction form
    1,678,572.22/2,518,602.54 = 879,663.82/x
  3. Step 3: Cross multiply
    1,678,572.22x = 2,518,602.54 × 879,663.82
  4. Step 4: Simplify right side
    1,678,572.22x = 2,215,523,531,398.10
  5. Step 5: Solve for x
    x = 2,215,523,531,398.10/1,678,572.22
  6. Step 6: Final answer
    x = 1,319,885.74

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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.