Home / 1,075,496.80-1,612,856.40-542,840.80

Finding the Fourth Proportional to 1,075,496.80, 1,612,856.40 and 542,840.80

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Solution

The fourth proportional to 1,075,496.80, 1,612,856.40 and 542,840.80 is: 814,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,496.80 : 1,612,856.40 = 542,840.80 : x
  2. Step 2: Convert to fraction form
    1,075,496.80/1,612,856.40 = 542,840.80/x
  3. Step 3: Cross multiply
    1,075,496.80x = 1,612,856.40 × 542,840.80
  4. Step 4: Simplify right side
    1,075,496.80x = 875,524,258,461.12
  5. Step 5: Solve for x
    x = 875,524,258,461.12/1,075,496.80
  6. Step 6: Final answer
    x = 814,064.96

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1.5x scale

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.