Home / 918,641.34-1,377,990.36-759,955.86

Finding the Fourth Proportional to 918,641.34, 1,377,990.36 and 759,955.86

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Solution

The fourth proportional to 918,641.34, 1,377,990.36 and 759,955.86 is: 1,139,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,641.34 : 1,377,990.36 = 759,955.86 : x
  2. Step 2: Convert to fraction form
    918,641.34/1,377,990.36 = 759,955.86/x
  3. Step 3: Cross multiply
    918,641.34x = 1,377,990.36 × 759,955.86
  4. Step 4: Simplify right side
    918,641.34x = 1,047,211,849,105.51
  5. Step 5: Solve for x
    x = 1,047,211,849,105.51/918,641.34
  6. Step 6: Final answer
    x = 1,139,957.24

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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.