Home / 1,047,316.50-1,445,296.77-570,388.50

Finding the Fourth Proportional to 1,047,316.50, 1,445,296.77 and 570,388.50

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Solution

The fourth proportional to 1,047,316.50, 1,445,296.77 and 570,388.50 is: 787,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,316.50 : 1,445,296.77 = 570,388.50 : x
  2. Step 2: Convert to fraction form
    1,047,316.50/1,445,296.77 = 570,388.50/x
  3. Step 3: Cross multiply
    1,047,316.50x = 1,445,296.77 × 570,388.50
  4. Step 4: Simplify right side
    1,047,316.50x = 824,380,656,695.15
  5. Step 5: Solve for x
    x = 824,380,656,695.15/1,047,316.50
  6. Step 6: Final answer
    x = 787,136.13

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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.