Home / 1,072,006.40-1,608,009.60-651,411.20

Finding the Fourth Proportional to 1,072,006.40, 1,608,009.60 and 651,411.20

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Solution

The fourth proportional to 1,072,006.40, 1,608,009.60 and 651,411.20 is: 977,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,006.40 : 1,608,009.60 = 651,411.20 : x
  2. Step 2: Convert to fraction form
    1,072,006.40/1,608,009.60 = 651,411.20/x
  3. Step 3: Cross multiply
    1,072,006.40x = 1,608,009.60 × 651,411.20
  4. Step 4: Simplify right side
    1,072,006.40x = 1,047,475,463,147.52
  5. Step 5: Solve for x
    x = 1,047,475,463,147.52/1,072,006.40
  6. Step 6: Final answer
    x = 977,116.80

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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.