Home / 1,411,938.80-1,948,490.65-767,359.02

Finding the Fourth Proportional to 1,411,938.80, 1,948,490.65 and 767,359.02

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Solution

The fourth proportional to 1,411,938.80, 1,948,490.65 and 767,359.02 is: 1,058,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,938.80 : 1,948,490.65 = 767,359.02 : x
  2. Step 2: Convert to fraction form
    1,411,938.80/1,948,490.65 = 767,359.02/x
  3. Step 3: Cross multiply
    1,411,938.80x = 1,948,490.65 × 767,359.02
  4. Step 4: Simplify right side
    1,411,938.80x = 1,495,191,875,663.16
  5. Step 5: Solve for x
    x = 1,495,191,875,663.16/1,411,938.80
  6. Step 6: Final answer
    x = 1,058,963.66

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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.