Home / 1,122,215.04-1,683,319.68-924,428.16

Finding the Fourth Proportional to 1,122,215.04, 1,683,319.68 and 924,428.16

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Solution

The fourth proportional to 1,122,215.04, 1,683,319.68 and 924,428.16 is: 1,386,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,215.04 : 1,683,319.68 = 924,428.16 : x
  2. Step 2: Convert to fraction form
    1,122,215.04/1,683,319.68 = 924,428.16/x
  3. Step 3: Cross multiply
    1,122,215.04x = 1,683,319.68 × 924,428.16
  4. Step 4: Simplify right side
    1,122,215.04x = 1,556,108,114,474.19
  5. Step 5: Solve for x
    x = 1,556,108,114,474.19/1,122,215.04
  6. Step 6: Final answer
    x = 1,386,639.87

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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.