Home / 1,158,684.36-1,598,982.30-649,386.60

Finding the Fourth Proportional to 1,158,684.36, 1,598,982.30 and 649,386.60

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Solution

The fourth proportional to 1,158,684.36, 1,598,982.30 and 649,386.60 is: 896,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,684.36 : 1,598,982.30 = 649,386.60 : x
  2. Step 2: Convert to fraction form
    1,158,684.36/1,598,982.30 = 649,386.60/x
  3. Step 3: Cross multiply
    1,158,684.36x = 1,598,982.30 × 649,386.60
  4. Step 4: Simplify right side
    1,158,684.36x = 1,038,357,679,257.18
  5. Step 5: Solve for x
    x = 1,038,357,679,257.18/1,158,684.36
  6. Step 6: Final answer
    x = 896,152.32

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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.