Home / 1,020,099.84-1,407,771.84-561,233.28

Finding the Fourth Proportional to 1,020,099.84, 1,407,771.84 and 561,233.28

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Solution

The fourth proportional to 1,020,099.84, 1,407,771.84 and 561,233.28 is: 774,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,099.84 : 1,407,771.84 = 561,233.28 : x
  2. Step 2: Convert to fraction form
    1,020,099.84/1,407,771.84 = 561,233.28/x
  3. Step 3: Cross multiply
    1,020,099.84x = 1,407,771.84 × 561,233.28
  4. Step 4: Simplify right side
    1,020,099.84x = 790,088,407,254.84
  5. Step 5: Solve for x
    x = 790,088,407,254.84/1,020,099.84
  6. Step 6: Final answer
    x = 774,520.67

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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.