Home / 845,637.70-1,271,566.95-708,780.10

Finding the Fourth Proportional to 845,637.70, 1,271,566.95 and 708,780.10

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Solution

The fourth proportional to 845,637.70, 1,271,566.95 and 708,780.10 is: 1,065,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,637.70 : 1,271,566.95 = 708,780.10 : x
  2. Step 2: Convert to fraction form
    845,637.70/1,271,566.95 = 708,780.10/x
  3. Step 3: Cross multiply
    845,637.70x = 1,271,566.95 × 708,780.10
  4. Step 4: Simplify right side
    845,637.70x = 901,261,349,977.70
  5. Step 5: Solve for x
    x = 901,261,349,977.70/845,637.70
  6. Step 6: Final answer
    x = 1,065,777.16

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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.