Home / 1,210,177.60-1,815,266.40-874,254.40

Finding the Fourth Proportional to 1,210,177.60, 1,815,266.40 and 874,254.40

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Solution

The fourth proportional to 1,210,177.60, 1,815,266.40 and 874,254.40 is: 1,311,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,177.60 : 1,815,266.40 = 874,254.40 : x
  2. Step 2: Convert to fraction form
    1,210,177.60/1,815,266.40 = 874,254.40/x
  3. Step 3: Cross multiply
    1,210,177.60x = 1,815,266.40 × 874,254.40
  4. Step 4: Simplify right side
    1,210,177.60x = 1,587,004,637,372.16
  5. Step 5: Solve for x
    x = 1,587,004,637,372.16/1,210,177.60
  6. Step 6: Final answer
    x = 1,311,381.60

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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.