Home / 851,681.60-1,276,703.20-662,036.80

Finding the Fourth Proportional to 851,681.60, 1,276,703.20 and 662,036.80

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Solution

The fourth proportional to 851,681.60, 1,276,703.20 and 662,036.80 is: 992,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,681.60 : 1,276,703.20 = 662,036.80 : x
  2. Step 2: Convert to fraction form
    851,681.60/1,276,703.20 = 662,036.80/x
  3. Step 3: Cross multiply
    851,681.60x = 1,276,703.20 × 662,036.80
  4. Step 4: Simplify right side
    851,681.60x = 845,224,501,077.76
  5. Step 5: Solve for x
    x = 845,224,501,077.76/851,681.60
  6. Step 6: Final answer
    x = 992,418.41

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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.