Home / 689,782.68-1,041,152.64-689,782.68

Finding the Fourth Proportional to 689,782.68, 1,041,152.64 and 689,782.68

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Solution

The fourth proportional to 689,782.68, 1,041,152.64 and 689,782.68 is: 1,041,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,782.68 : 1,041,152.64 = 689,782.68 : x
  2. Step 2: Convert to fraction form
    689,782.68/1,041,152.64 = 689,782.68/x
  3. Step 3: Cross multiply
    689,782.68x = 1,041,152.64 × 689,782.68
  4. Step 4: Simplify right side
    689,782.68x = 718,169,058,308.28
  5. Step 5: Solve for x
    x = 718,169,058,308.28/689,782.68
  6. Step 6: Final answer
    x = 1,041,152.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.