Home / 877,657.20-1,316,485.80-824,513.10

Finding the Fourth Proportional to 877,657.20, 1,316,485.80 and 824,513.10

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Solution

The fourth proportional to 877,657.20, 1,316,485.80 and 824,513.10 is: 1,236,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,657.20 : 1,316,485.80 = 824,513.10 : x
  2. Step 2: Convert to fraction form
    877,657.20/1,316,485.80 = 824,513.10/x
  3. Step 3: Cross multiply
    877,657.20x = 1,316,485.80 × 824,513.10
  4. Step 4: Simplify right side
    877,657.20x = 1,085,459,788,063.98
  5. Step 5: Solve for x
    x = 1,085,459,788,063.98/877,657.20
  6. Step 6: Final answer
    x = 1,236,769.65

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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.