Home / 1,020,006.60-1,530,009.90-355,158.60

Finding the Fourth Proportional to 1,020,006.60, 1,530,009.90 and 355,158.60

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Solution

The fourth proportional to 1,020,006.60, 1,530,009.90 and 355,158.60 is: 532,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,006.60 : 1,530,009.90 = 355,158.60 : x
  2. Step 2: Convert to fraction form
    1,020,006.60/1,530,009.90 = 355,158.60/x
  3. Step 3: Cross multiply
    1,020,006.60x = 1,530,009.90 × 355,158.60
  4. Step 4: Simplify right side
    1,020,006.60x = 543,396,174,070.14
  5. Step 5: Solve for x
    x = 543,396,174,070.14/1,020,006.60
  6. Step 6: Final answer
    x = 532,737.90

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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.