Home / 1,102,807.80-1,654,211.70-471,785.40

Finding the Fourth Proportional to 1,102,807.80, 1,654,211.70 and 471,785.40

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Solution

The fourth proportional to 1,102,807.80, 1,654,211.70 and 471,785.40 is: 707,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,807.80 : 1,654,211.70 = 471,785.40 : x
  2. Step 2: Convert to fraction form
    1,102,807.80/1,654,211.70 = 471,785.40/x
  3. Step 3: Cross multiply
    1,102,807.80x = 1,654,211.70 × 471,785.40
  4. Step 4: Simplify right side
    1,102,807.80x = 780,432,928,569.18
  5. Step 5: Solve for x
    x = 780,432,928,569.18/1,102,807.80
  6. Step 6: Final answer
    x = 707,678.10

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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.