Home / 1,130,509.80-1,695,764.70-456,913.80

Finding the Fourth Proportional to 1,130,509.80, 1,695,764.70 and 456,913.80

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Solution

The fourth proportional to 1,130,509.80, 1,695,764.70 and 456,913.80 is: 685,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,509.80 : 1,695,764.70 = 456,913.80 : x
  2. Step 2: Convert to fraction form
    1,130,509.80/1,695,764.70 = 456,913.80/x
  3. Step 3: Cross multiply
    1,130,509.80x = 1,695,764.70 × 456,913.80
  4. Step 4: Simplify right side
    1,130,509.80x = 774,818,292,982.86
  5. Step 5: Solve for x
    x = 774,818,292,982.86/1,130,509.80
  6. Step 6: Final answer
    x = 685,370.70

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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.