Home / 1,528,819.20-2,292,537.60-686,937.60

Finding the Fourth Proportional to 1,528,819.20, 2,292,537.60 and 686,937.60

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Solution

The fourth proportional to 1,528,819.20, 2,292,537.60 and 686,937.60 is: 1,030,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,819.20 : 2,292,537.60 = 686,937.60 : x
  2. Step 2: Convert to fraction form
    1,528,819.20/2,292,537.60 = 686,937.60/x
  3. Step 3: Cross multiply
    1,528,819.20x = 2,292,537.60 × 686,937.60
  4. Step 4: Simplify right side
    1,528,819.20x = 1,574,830,276,853.76
  5. Step 5: Solve for x
    x = 1,574,830,276,853.76/1,528,819.20
  6. Step 6: Final answer
    x = 1,030,095.83

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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.