Home / 993,522.46-1,490,389.80-424,962.40

Finding the Fourth Proportional to 993,522.46, 1,490,389.80 and 424,962.40

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Solution

The fourth proportional to 993,522.46, 1,490,389.80 and 424,962.40 is: 637,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,522.46 : 1,490,389.80 = 424,962.40 : x
  2. Step 2: Convert to fraction form
    993,522.46/1,490,389.80 = 424,962.40/x
  3. Step 3: Cross multiply
    993,522.46x = 1,490,389.80 × 424,962.40
  4. Step 4: Simplify right side
    993,522.46x = 633,359,626,343.52
  5. Step 5: Solve for x
    x = 633,359,626,343.52/993,522.46
  6. Step 6: Final answer
    x = 637,488.99

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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.