Home / 1,020,840.03-1,531,143.36-272,944.35

Finding the Fourth Proportional to 1,020,840.03, 1,531,143.36 and 272,944.35

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Solution

The fourth proportional to 1,020,840.03, 1,531,143.36 and 272,944.35 is: 409,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,840.03 : 1,531,143.36 = 272,944.35 : x
  2. Step 2: Convert to fraction form
    1,020,840.03/1,531,143.36 = 272,944.35/x
  3. Step 3: Cross multiply
    1,020,840.03x = 1,531,143.36 × 272,944.35
  4. Step 4: Simplify right side
    1,020,840.03x = 417,916,929,152.02
  5. Step 5: Solve for x
    x = 417,916,929,152.02/1,020,840.03
  6. Step 6: Final answer
    x = 409,385.33

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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.