Home / 1,020,135.96-1,407,764.88-590,407.47

Finding the Fourth Proportional to 1,020,135.96, 1,407,764.88 and 590,407.47

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Solution

The fourth proportional to 1,020,135.96, 1,407,764.88 and 590,407.47 is: 814,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,135.96 : 1,407,764.88 = 590,407.47 : x
  2. Step 2: Convert to fraction form
    1,020,135.96/1,407,764.88 = 590,407.47/x
  3. Step 3: Cross multiply
    1,020,135.96x = 1,407,764.88 × 590,407.47
  4. Step 4: Simplify right side
    1,020,135.96x = 831,154,901,155.65
  5. Step 5: Solve for x
    x = 831,154,901,155.65/1,020,135.96
  6. Step 6: Final answer
    x = 814,749.14

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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.