Home / 1,059,533.69-1,590,007.21-385,614.80

Finding the Fourth Proportional to 1,059,533.69, 1,590,007.21 and 385,614.80

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Solution

The fourth proportional to 1,059,533.69, 1,590,007.21 and 385,614.80 is: 578,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,533.69 : 1,590,007.21 = 385,614.80 : x
  2. Step 2: Convert to fraction form
    1,059,533.69/1,590,007.21 = 385,614.80/x
  3. Step 3: Cross multiply
    1,059,533.69x = 1,590,007.21 × 385,614.80
  4. Step 4: Simplify right side
    1,059,533.69x = 613,130,315,293.69
  5. Step 5: Solve for x
    x = 613,130,315,293.69/1,059,533.69
  6. Step 6: Final answer
    x = 578,679.40

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1.5x scale

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.