Home / 1,010,688.40-1,516,032.60-928,019.80

Finding the Fourth Proportional to 1,010,688.40, 1,516,032.60 and 928,019.80

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Solution

The fourth proportional to 1,010,688.40, 1,516,032.60 and 928,019.80 is: 1,392,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,688.40 : 1,516,032.60 = 928,019.80 : x
  2. Step 2: Convert to fraction form
    1,010,688.40/1,516,032.60 = 928,019.80/x
  3. Step 3: Cross multiply
    1,010,688.40x = 1,516,032.60 × 928,019.80
  4. Step 4: Simplify right side
    1,010,688.40x = 1,406,908,270,245.48
  5. Step 5: Solve for x
    x = 1,406,908,270,245.48/1,010,688.40
  6. Step 6: Final answer
    x = 1,392,029.70

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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.