Home / 1,102,483.06-1,521,663.57-672,670.90

Finding the Fourth Proportional to 1,102,483.06, 1,521,663.57 and 672,670.90

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Solution

The fourth proportional to 1,102,483.06, 1,521,663.57 and 672,670.90 is: 928,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,483.06 : 1,521,663.57 = 672,670.90 : x
  2. Step 2: Convert to fraction form
    1,102,483.06/1,521,663.57 = 672,670.90/x
  3. Step 3: Cross multiply
    1,102,483.06x = 1,521,663.57 × 672,670.90
  4. Step 4: Simplify right side
    1,102,483.06x = 1,023,578,803,129.11
  5. Step 5: Solve for x
    x = 1,023,578,803,129.11/1,102,483.06
  6. Step 6: Final answer
    x = 928,430.41

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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.