Home / 1,010,667.20-1,516,000.80-612,086.45

Finding the Fourth Proportional to 1,010,667.20, 1,516,000.80 and 612,086.45

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Solution

The fourth proportional to 1,010,667.20, 1,516,000.80 and 612,086.45 is: 918,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,667.20 : 1,516,000.80 = 612,086.45 : x
  2. Step 2: Convert to fraction form
    1,010,667.20/1,516,000.80 = 612,086.45/x
  3. Step 3: Cross multiply
    1,010,667.20x = 1,516,000.80 × 612,086.45
  4. Step 4: Simplify right side
    1,010,667.20x = 927,923,547,869.16
  5. Step 5: Solve for x
    x = 927,923,547,869.16/1,010,667.20
  6. Step 6: Final answer
    x = 918,129.68

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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.