Home / 1,018,847.80-1,528,271.70-913,871.80

Finding the Fourth Proportional to 1,018,847.80, 1,528,271.70 and 913,871.80

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Solution

The fourth proportional to 1,018,847.80, 1,528,271.70 and 913,871.80 is: 1,370,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,847.80 : 1,528,271.70 = 913,871.80 : x
  2. Step 2: Convert to fraction form
    1,018,847.80/1,528,271.70 = 913,871.80/x
  3. Step 3: Cross multiply
    1,018,847.80x = 1,528,271.70 × 913,871.80
  4. Step 4: Simplify right side
    1,018,847.80x = 1,396,644,409,368.06
  5. Step 5: Solve for x
    x = 1,396,644,409,368.06/1,018,847.80
  6. Step 6: Final answer
    x = 1,370,807.70

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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.