Home / 1,130,423.04-1,559,979.36-646,986.24

Finding the Fourth Proportional to 1,130,423.04, 1,559,979.36 and 646,986.24

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Solution

The fourth proportional to 1,130,423.04, 1,559,979.36 and 646,986.24 is: 892,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,423.04 : 1,559,979.36 = 646,986.24 : x
  2. Step 2: Convert to fraction form
    1,130,423.04/1,559,979.36 = 646,986.24/x
  3. Step 3: Cross multiply
    1,130,423.04x = 1,559,979.36 × 646,986.24
  4. Step 4: Simplify right side
    1,130,423.04x = 1,009,285,180,604.01
  5. Step 5: Solve for x
    x = 1,009,285,180,604.01/1,130,423.04
  6. Step 6: Final answer
    x = 892,838.47

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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.