Home / 1,065,220.50-1,470,048.03-612,511.50

Finding the Fourth Proportional to 1,065,220.50, 1,470,048.03 and 612,511.50

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Solution

The fourth proportional to 1,065,220.50, 1,470,048.03 and 612,511.50 is: 845,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,220.50 : 1,470,048.03 = 612,511.50 : x
  2. Step 2: Convert to fraction form
    1,065,220.50/1,470,048.03 = 612,511.50/x
  3. Step 3: Cross multiply
    1,065,220.50x = 1,470,048.03 × 612,511.50
  4. Step 4: Simplify right side
    1,065,220.50x = 900,421,323,927.35
  5. Step 5: Solve for x
    x = 900,421,323,927.35/1,065,220.50
  6. Step 6: Final answer
    x = 845,291.02

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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.