Home / 1,047,769.48-1,445,934.92-634,300.78

Finding the Fourth Proportional to 1,047,769.48, 1,445,934.92 and 634,300.78

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Solution

The fourth proportional to 1,047,769.48, 1,445,934.92 and 634,300.78 is: 875,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,769.48 : 1,445,934.92 = 634,300.78 : x
  2. Step 2: Convert to fraction form
    1,047,769.48/1,445,934.92 = 634,300.78/x
  3. Step 3: Cross multiply
    1,047,769.48x = 1,445,934.92 × 634,300.78
  4. Step 4: Simplify right side
    1,047,769.48x = 917,157,637,184.06
  5. Step 5: Solve for x
    x = 917,157,637,184.06/1,047,769.48
  6. Step 6: Final answer
    x = 875,342.96

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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.