Home / 1,246,688.10-1,870,129.35-536,739.30

Finding the Fourth Proportional to 1,246,688.10, 1,870,129.35 and 536,739.30

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Solution

The fourth proportional to 1,246,688.10, 1,870,129.35 and 536,739.30 is: 805,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,688.10 : 1,870,129.35 = 536,739.30 : x
  2. Step 2: Convert to fraction form
    1,246,688.10/1,870,129.35 = 536,739.30/x
  3. Step 3: Cross multiply
    1,246,688.10x = 1,870,129.35 × 536,739.30
  4. Step 4: Simplify right side
    1,246,688.10x = 1,003,771,918,228.46
  5. Step 5: Solve for x
    x = 1,003,771,918,228.46/1,246,688.10
  6. Step 6: Final answer
    x = 805,150.80

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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.