Home / 857,113.18-1,285,710.78-707,075.26

Finding the Fourth Proportional to 857,113.18, 1,285,710.78 and 707,075.26

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Solution

The fourth proportional to 857,113.18, 1,285,710.78 and 707,075.26 is: 1,060,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,113.18 : 1,285,710.78 = 707,075.26 : x
  2. Step 2: Convert to fraction form
    857,113.18/1,285,710.78 = 707,075.26/x
  3. Step 3: Cross multiply
    857,113.18x = 1,285,710.78 × 707,075.26
  4. Step 4: Simplify right side
    857,113.18x = 909,094,284,053.30
  5. Step 5: Solve for x
    x = 909,094,284,053.30/857,113.18
  6. Step 6: Final answer
    x = 1,060,646.72

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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.