Home / 1,137,763.65-1,570,048.78-679,395.45

Finding the Fourth Proportional to 1,137,763.65, 1,570,048.78 and 679,395.45

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Solution

The fourth proportional to 1,137,763.65, 1,570,048.78 and 679,395.45 is: 937,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,763.65 : 1,570,048.78 = 679,395.45 : x
  2. Step 2: Convert to fraction form
    1,137,763.65/1,570,048.78 = 679,395.45/x
  3. Step 3: Cross multiply
    1,137,763.65x = 1,570,048.78 × 679,395.45
  4. Step 4: Simplify right side
    1,137,763.65x = 1,066,684,001,335.17
  5. Step 5: Solve for x
    x = 1,066,684,001,335.17/1,137,763.65
  6. Step 6: Final answer
    x = 937,526.87

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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.