Home / 1,010,688.90-1,516,033.35-928,020.30

Finding the Fourth Proportional to 1,010,688.90, 1,516,033.35 and 928,020.30

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Solution

The fourth proportional to 1,010,688.90, 1,516,033.35 and 928,020.30 is: 1,392,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,688.90 : 1,516,033.35 = 928,020.30 : x
  2. Step 2: Convert to fraction form
    1,010,688.90/1,516,033.35 = 928,020.30/x
  3. Step 3: Cross multiply
    1,010,688.90x = 1,516,033.35 × 928,020.30
  4. Step 4: Simplify right side
    1,010,688.90x = 1,406,909,724,277.01
  5. Step 5: Solve for x
    x = 1,406,909,724,277.01/1,010,688.90
  6. Step 6: Final answer
    x = 1,392,030.45

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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.