Home / 1,554,862.20-2,333,330.10-712,980.60

Finding the Fourth Proportional to 1,554,862.20, 2,333,330.10 and 712,980.60

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Solution

The fourth proportional to 1,554,862.20, 2,333,330.10 and 712,980.60 is: 1,069,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,862.20 : 2,333,330.10 = 712,980.60 : x
  2. Step 2: Convert to fraction form
    1,554,862.20/2,333,330.10 = 712,980.60/x
  3. Step 3: Cross multiply
    1,554,862.20x = 2,333,330.10 × 712,980.60
  4. Step 4: Simplify right side
    1,554,862.20x = 1,663,619,094,696.06
  5. Step 5: Solve for x
    x = 1,663,619,094,696.06/1,554,862.20
  6. Step 6: Final answer
    x = 1,069,946.32

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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.