Home / 1,072,802.60-1,610,240.70-652,898.60

Finding the Fourth Proportional to 1,072,802.60, 1,610,240.70 and 652,898.60

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Solution

The fourth proportional to 1,072,802.60, 1,610,240.70 and 652,898.60 is: 979,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,802.60 : 1,610,240.70 = 652,898.60 : x
  2. Step 2: Convert to fraction form
    1,072,802.60/1,610,240.70 = 652,898.60/x
  3. Step 3: Cross multiply
    1,072,802.60x = 1,610,240.70 × 652,898.60
  4. Step 4: Simplify right side
    1,072,802.60x = 1,051,323,898,693.02
  5. Step 5: Solve for x
    x = 1,051,323,898,693.02/1,072,802.60
  6. Step 6: Final answer
    x = 979,978.89

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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.