Home / 1,312,881.02-1,811,807.85-732,098.48

Finding the Fourth Proportional to 1,312,881.02, 1,811,807.85 and 732,098.48

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Solution

The fourth proportional to 1,312,881.02, 1,811,807.85 and 732,098.48 is: 1,010,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,881.02 : 1,811,807.85 = 732,098.48 : x
  2. Step 2: Convert to fraction form
    1,312,881.02/1,811,807.85 = 732,098.48/x
  3. Step 3: Cross multiply
    1,312,881.02x = 1,811,807.85 × 732,098.48
  4. Step 4: Simplify right side
    1,312,881.02x = 1,326,421,775,736.34
  5. Step 5: Solve for x
    x = 1,326,421,775,736.34/1,312,881.02
  6. Step 6: Final answer
    x = 1,010,313.77

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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.