Home / 993,681.22-1,490,862.04-424,827.94

Finding the Fourth Proportional to 993,681.22, 1,490,862.04 and 424,827.94

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Solution

The fourth proportional to 993,681.22, 1,490,862.04 and 424,827.94 is: 637,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,681.22 : 1,490,862.04 = 424,827.94 : x
  2. Step 2: Convert to fraction form
    993,681.22/1,490,862.04 = 424,827.94/x
  3. Step 3: Cross multiply
    993,681.22x = 1,490,862.04 × 424,827.94
  4. Step 4: Simplify right side
    993,681.22x = 633,359,849,277.40
  5. Step 5: Solve for x
    x = 633,359,849,277.40/993,681.22
  6. Step 6: Final answer
    x = 637,387.36

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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.