Home / 1,292,870.74-1,938,657.30-753,301.39

Finding the Fourth Proportional to 1,292,870.74, 1,938,657.30 and 753,301.39

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Solution

The fourth proportional to 1,292,870.74, 1,938,657.30 and 753,301.39 is: 1,129,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,870.74 : 1,938,657.30 = 753,301.39 : x
  2. Step 2: Convert to fraction form
    1,292,870.74/1,938,657.30 = 753,301.39/x
  3. Step 3: Cross multiply
    1,292,870.74x = 1,938,657.30 × 753,301.39
  4. Step 4: Simplify right side
    1,292,870.74x = 1,460,393,238,823.65
  5. Step 5: Solve for x
    x = 1,460,393,238,823.65/1,292,870.74
  6. Step 6: Final answer
    x = 1,129,574.05

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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.