Home / 1,567,430.76-2,163,078.14-879,255.16

Finding the Fourth Proportional to 1,567,430.76, 2,163,078.14 and 879,255.16

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Solution

The fourth proportional to 1,567,430.76, 2,163,078.14 and 879,255.16 is: 1,213,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,430.76 : 2,163,078.14 = 879,255.16 : x
  2. Step 2: Convert to fraction form
    1,567,430.76/2,163,078.14 = 879,255.16/x
  3. Step 3: Cross multiply
    1,567,430.76x = 2,163,078.14 × 879,255.16
  4. Step 4: Simplify right side
    1,567,430.76x = 1,901,897,616,078.20
  5. Step 5: Solve for x
    x = 1,901,897,616,078.20/1,567,430.76
  6. Step 6: Final answer
    x = 1,213,385.41

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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.