Home / 1,112,521.92-1,668,045.36-402,456.48

Finding the Fourth Proportional to 1,112,521.92, 1,668,045.36 and 402,456.48

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Solution

The fourth proportional to 1,112,521.92, 1,668,045.36 and 402,456.48 is: 603,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,521.92 : 1,668,045.36 = 402,456.48 : x
  2. Step 2: Convert to fraction form
    1,112,521.92/1,668,045.36 = 402,456.48/x
  3. Step 3: Cross multiply
    1,112,521.92x = 1,668,045.36 × 402,456.48
  4. Step 4: Simplify right side
    1,112,521.92x = 671,315,664,065.93
  5. Step 5: Solve for x
    x = 671,315,664,065.93/1,112,521.92
  6. Step 6: Final answer
    x = 603,417.92

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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.