Home / 1,403,590-2,105,603.76-456,737.32

Finding the Fourth Proportional to 1,403,590, 2,105,603.76 and 456,737.32

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Solution

The fourth proportional to 1,403,590, 2,105,603.76 and 456,737.32 is: 685,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,590 : 2,105,603.76 = 456,737.32 : x
  2. Step 2: Convert to fraction form
    1,403,590/2,105,603.76 = 456,737.32/x
  3. Step 3: Cross multiply
    1,403,590x = 2,105,603.76 × 456,737.32
  4. Step 4: Simplify right side
    1,403,590x = 961,707,818,324.32
  5. Step 5: Solve for x
    x = 961,707,818,324.32/1,403,590
  6. Step 6: Final answer
    x = 685,177.17

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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.