Home / 1,133,271.10-1,698,430.43-458,800.30

Finding the Fourth Proportional to 1,133,271.10, 1,698,430.43 and 458,800.30

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Solution

The fourth proportional to 1,133,271.10, 1,698,430.43 and 458,800.30 is: 687,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,271.10 : 1,698,430.43 = 458,800.30 : x
  2. Step 2: Convert to fraction form
    1,133,271.10/1,698,430.43 = 458,800.30/x
  3. Step 3: Cross multiply
    1,133,271.10x = 1,698,430.43 × 458,800.30
  4. Step 4: Simplify right side
    1,133,271.10x = 779,240,388,519.13
  5. Step 5: Solve for x
    x = 779,240,388,519.13/1,133,271.10
  6. Step 6: Final answer
    x = 687,602.81

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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.