Home / 1,242,240.10-1,714,281.03-698,378.31

Finding the Fourth Proportional to 1,242,240.10, 1,714,281.03 and 698,378.31

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Solution

The fourth proportional to 1,242,240.10, 1,714,281.03 and 698,378.31 is: 963,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,240.10 : 1,714,281.03 = 698,378.31 : x
  2. Step 2: Convert to fraction form
    1,242,240.10/1,714,281.03 = 698,378.31/x
  3. Step 3: Cross multiply
    1,242,240.10x = 1,714,281.03 × 698,378.31
  4. Step 4: Simplify right side
    1,242,240.10x = 1,197,216,688,596.46
  5. Step 5: Solve for x
    x = 1,197,216,688,596.46/1,242,240.10
  6. Step 6: Final answer
    x = 963,756.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.