Home / 1,239,316.02-1,710,269.88-688,069.29

Finding the Fourth Proportional to 1,239,316.02, 1,710,269.88 and 688,069.29

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Solution

The fourth proportional to 1,239,316.02, 1,710,269.88 and 688,069.29 is: 949,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,316.02 : 1,710,269.88 = 688,069.29 : x
  2. Step 2: Convert to fraction form
    1,239,316.02/1,710,269.88 = 688,069.29/x
  3. Step 3: Cross multiply
    1,239,316.02x = 1,710,269.88 × 688,069.29
  4. Step 4: Simplify right side
    1,239,316.02x = 1,176,784,182,039.99
  5. Step 5: Solve for x
    x = 1,176,784,182,039.99/1,239,316.02
  6. Step 6: Final answer
    x = 949,543.27

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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.