Home / 918,006.40-1,377,009.60-902,454.40

Finding the Fourth Proportional to 918,006.40, 1,377,009.60 and 902,454.40

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Solution

The fourth proportional to 918,006.40, 1,377,009.60 and 902,454.40 is: 1,353,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,006.40 : 1,377,009.60 = 902,454.40 : x
  2. Step 2: Convert to fraction form
    918,006.40/1,377,009.60 = 902,454.40/x
  3. Step 3: Cross multiply
    918,006.40x = 1,377,009.60 × 902,454.40
  4. Step 4: Simplify right side
    918,006.40x = 1,242,688,372,362.24
  5. Step 5: Solve for x
    x = 1,242,688,372,362.24/918,006.40
  6. Step 6: Final answer
    x = 1,353,681.60

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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.