Home / 1,010,808.90-1,516,213.35-928,140.30

Finding the Fourth Proportional to 1,010,808.90, 1,516,213.35 and 928,140.30

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Solution

The fourth proportional to 1,010,808.90, 1,516,213.35 and 928,140.30 is: 1,392,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,808.90 : 1,516,213.35 = 928,140.30 : x
  2. Step 2: Convert to fraction form
    1,010,808.90/1,516,213.35 = 928,140.30/x
  3. Step 3: Cross multiply
    1,010,808.90x = 1,516,213.35 × 928,140.30
  4. Step 4: Simplify right side
    1,010,808.90x = 1,407,258,713,533.01
  5. Step 5: Solve for x
    x = 1,407,258,713,533.01/1,010,808.90
  6. Step 6: Final answer
    x = 1,392,210.45

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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.