Home / 1,020,018.48-1,407,581.01-561,103.95

Finding the Fourth Proportional to 1,020,018.48, 1,407,581.01 and 561,103.95

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Solution

The fourth proportional to 1,020,018.48, 1,407,581.01 and 561,103.95 is: 774,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,018.48 : 1,407,581.01 = 561,103.95 : x
  2. Step 2: Convert to fraction form
    1,020,018.48/1,407,581.01 = 561,103.95/x
  3. Step 3: Cross multiply
    1,020,018.48x = 1,407,581.01 × 561,103.95
  4. Step 4: Simplify right side
    1,020,018.48x = 789,799,264,655.99
  5. Step 5: Solve for x
    x = 789,799,264,655.99/1,020,018.48
  6. Step 6: Final answer
    x = 774,298.98

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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.