Home / 1,155,228.40-1,732,842.60-972,751.60

Finding the Fourth Proportional to 1,155,228.40, 1,732,842.60 and 972,751.60

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Solution

The fourth proportional to 1,155,228.40, 1,732,842.60 and 972,751.60 is: 1,459,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,228.40 : 1,732,842.60 = 972,751.60 : x
  2. Step 2: Convert to fraction form
    1,155,228.40/1,732,842.60 = 972,751.60/x
  3. Step 3: Cross multiply
    1,155,228.40x = 1,732,842.60 × 972,751.60
  4. Step 4: Simplify right side
    1,155,228.40x = 1,685,625,411,698.16
  5. Step 5: Solve for x
    x = 1,685,625,411,698.16/1,155,228.40
  6. Step 6: Final answer
    x = 1,459,127.40

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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.