Home / 1,020,442.83-1,407,739.93-657,983.12

Finding the Fourth Proportional to 1,020,442.83, 1,407,739.93 and 657,983.12

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Solution

The fourth proportional to 1,020,442.83, 1,407,739.93 and 657,983.12 is: 907,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,442.83 : 1,407,739.93 = 657,983.12 : x
  2. Step 2: Convert to fraction form
    1,020,442.83/1,407,739.93 = 657,983.12/x
  3. Step 3: Cross multiply
    1,020,442.83x = 1,407,739.93 × 657,983.12
  4. Step 4: Simplify right side
    1,020,442.83x = 926,269,102,606.32
  5. Step 5: Solve for x
    x = 926,269,102,606.32/1,020,442.83
  6. Step 6: Final answer
    x = 907,712.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.