Home / 1,026,006.40-1,539,009.60-493,253.20

Finding the Fourth Proportional to 1,026,006.40, 1,539,009.60 and 493,253.20

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Solution

The fourth proportional to 1,026,006.40, 1,539,009.60 and 493,253.20 is: 739,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,006.40 : 1,539,009.60 = 493,253.20 : x
  2. Step 2: Convert to fraction form
    1,026,006.40/1,539,009.60 = 493,253.20/x
  3. Step 3: Cross multiply
    1,026,006.40x = 1,539,009.60 × 493,253.20
  4. Step 4: Simplify right side
    1,026,006.40x = 759,121,410,030.72
  5. Step 5: Solve for x
    x = 759,121,410,030.72/1,026,006.40
  6. Step 6: Final answer
    x = 739,879.80

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1.5x scale

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.