Home / 1,013,460.74-1,398,563.78-554,570.36

Finding the Fourth Proportional to 1,013,460.74, 1,398,563.78 and 554,570.36

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Solution

The fourth proportional to 1,013,460.74, 1,398,563.78 and 554,570.36 is: 765,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,460.74 : 1,398,563.78 = 554,570.36 : x
  2. Step 2: Convert to fraction form
    1,013,460.74/1,398,563.78 = 554,570.36/x
  3. Step 3: Cross multiply
    1,013,460.74x = 1,398,563.78 × 554,570.36
  4. Step 4: Simplify right side
    1,013,460.74x = 775,602,009,191.89
  5. Step 5: Solve for x
    x = 775,602,009,191.89/1,013,460.74
  6. Step 6: Final answer
    x = 765,300.50

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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.